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Top flight? Behaviour and impacts of top earners

Lead Research Organisation: University of Warwick
Department Name: Economics

Abstract

This research is fundamentally concerned with understanding:
1. How many top earners would leave the country if the top rate of income tax were increased?
2. Do the companies that top earners work for help them reduce their tax bills?
3. What costs and benefits do top earners have for the rest of society: how many jobs and how much investment do they create? how much do they drive up house prices by buying additional homes?

To answer these questions I will use data from HMRC, the UK tax agency. I have access to anonymised versions of the tax records of all top earners for more than twenty years, so I can track how people responded to past tax changes. Looking at how many more people leave when top tax rates increase in the UK, and how many more arrive from other countries when those countries' top tax rates rise, I can measure how responsive people are to tax changes. I can also look at what types of people are most likely to respond. Understanding this is crucial for knowing how much money the government will actually get in tax if they increase the top rate of income tax.

By linking individual tax records to the records of their employers, I can see if top earning employees working for the same firm are likely to adopt the same kinds of tax avoidance strategies. As new opportunities for avoidance become available, and old ones are shut down, I can study if people working at the same firm are more likely to use the same kinds of 'loopholes'. I can also see if these effects are more common in particular industries and in certain types of companies e.g. multinationals. This all matters because if companies are involved in planning for their employees, it suggests a new avenue for HMRC to target interventions to shut down the use of these behaviours: talk to employers.

Using these same data I can also look for the effects of top employees on the hiring and investment of the companies they work for or own. The difficulty of studying this normally would be that, for example, a company that is doing badly might have to let go of some top earning management, and soon after might make redundant lots of people on regular incomes. But in this case seeing top earners leave and then lots of other job losses does not tell us that losing top earners causes the other job losses. To get around this, I will make use of information on how people respond to tax reforms, learned in answering question 1. Since I learned there what types of individuals respond to tax increases, I can compare what happens to similar companies but where one employs more people who are likely to respond to the tax change than other. I expect to see no difference before the tax reform, and any subsequent differences in employment and investment are driven by the reform and impact it had on driving some top earners away. A similar idea can be used to look at the effect on local area house prices.
 
Description Our research project provides an examination of the United Kingdom's wealthy and globally connected population, with a special focus on non-doms and migrants, and its implications on the country's economic and taxation landscape. The collection of academic papers collectively shed light on the demographics, economic contributions, and tax behaviours of this population. Overall, our project provides valuable insights into the socio-economic characteristics and tax behaviours of the UK's wealthy non-dom and migrant populations, offering evidence-based guidance for policymaking and contributing to the broader understanding of global economic migration and taxation.
The studies reveal that the UK's non-dom population is predominantly born abroad, with over 93% originating from Western Europe, India, and the US, and primarily residing in London's wealthiest districts. This population plays a considerable role in the UK's financial landscape, with a significant portion of top earners and those in the finance sector claiming non-dom status. Non-doms tend to form national enclaves within London, highlighting their substantial presence in the city's financial and affluent areas.
On the taxation front, our findings indicate that non-doms possess at least £10.9 billion in offshore income and gains not reported to the UK's HM Revenue and Customs (HMRC), pointing to a substantial potential tax revenue. Despite concerns over potential emigration and loss of tax revenue if the non-dom regime were abolished, empirical evidence from past reforms suggests minimal emigration among non-doms, with the possibility of raising at least £3.2 billion in additional tax revenue by abolishing the regime.
Further, the research demonstrates the significant contribution of migrants to the UK's top income brackets, with migrants being twice as likely to be found in the top 0.01% of earners compared to the bottom 97%. The majority of their high incomes derive from labour, especially in the finance industry. This underlines the pivotal role of migrants in the growth of the UK's top 1% income share over the last two decades, as migrants account for nearly all (90%) of the growth observed in the UK's top 1% income share over the last two decades.
An examination of the impact of a 2017 UK tax reform on the migration of the super-rich reveals modest emigration responses to and a significant increase in the income reported and taxes paid in the UK, indicating the reform's effectiveness in enhancing tax contributions from the wealthiest without driving them away. Despite reducing the net-of-tax rate by 18% for long-term, tax-resident non-doms, emigration responses were modest, with an increase of just 0.26 percentage points for every 1% decline in the net-of-tax rate.
Finally, the transformation of the British economic elite from traditional, aristocratic roots to a more global, finance-driven orientation is highlighted. Non-doms, a small fraction of UK residents, represent a significant portion of the country's top earners, are highly international, and are involved in key industries beyond finance, such as oil refining, sports, and research. They tend to be younger, more likely to be female, and are concentrated in affluent London areas, underscoring the complex interplay between global economic trends and local socio-economic landscapes in the UK.
Exploitation Route The findings of the work on non-doms have been taken forward by the government, who have cited our figures in their reform to the non-dom policy. The work on migration responsiveness more generally provides evidence on the length of time any preferential scheme for new arrivers should last, which might also be used for the design of tax policy for new immigrants.
Sectors Government

Democracy and Justice

URL http://arunadvani.com
 
Description Our research into the financial behaviours of the UK's wealthy individuals, particularly focusing on non-domiciled residents, have garnered significant attention in both academic and policy spheres. The attention that our research has garnered in the public policy discussion regarding the taxation of this specific income group speaks to the importance of balanced and nonpartisan analysis as a foundation for informed debate. The most significant impact of our work thus far has been its instrumental role in bringing about the newly announced abolition of the British non-doms regime. In the summer of 2023, the Labour party announced its intentions to abolish the non-doms regime (first reported in the Guardian, attributed to a Labour spokesperson). The party quoted our project's previously published revenue estimates of £3.2bn in reference to these plans, before revising their own projections slightly downward to allow for a four-year grace period. In the lead up to the Spring Budget of 2024, reports surfaced that Chancellor of the Exchequer Jeremy Hunt was considering similar policies, as first reported by The Telegraph. In light of this, our work was cited frequently in the British media, including our revenue estimates for abolishing the current non-doms regime. After the abolition of the non-doms regime was eventually announced during the Spring Budget speech on March 6, 2024, the number of news media references to our work increased even further. Mentions of the research appeared in BBC, Guardian, The Telegraph, The Independent, The Times, The Daily Mail, Financial Times, The Mirror, The Sun, Bloomberg UK, Reuters, The I, Yahoo News, Huffington Post, The Express, Metro, and Money Marketing UK. It also appeared in international news media such as CNN and The National. Even before the lead-up to the Spring Budget, our work had featured as a basis for discussion in the political process as early as 2022. The researched regarding non-doms was mentioned in both national and local political settings in response to the scrutiny that the non-doms regime came under after it was publicly revealed that the wife of Prime Minister Rishi Sunak was claiming non-dom status. Labour leader Keir Starmer quoted our revenue estimate when speaking on the issue of non-doms in the UK Parliament; Shadow Financial Secretary and Labour MP James Murray cited the research during a debate in the UK Parliament on Non-domicile Tax States; and it was even addressed locally during the Mayor's Question Time by Zack Polanski, London Assembly Member and Deputy leader of the Green Party of England and Wales. Engagement with the wider community is a key part of our project's success. We have actively participated in debates and discussions with the Chartered Institute of Taxation (CIOT), the Institute for Fiscal Studies (IFS), and policymakers, including HM Revenue and Customs (HMRC) and HM Treasury. Our presence at both the Labour and Conservative Party conferences ensured that the question of the non-doms regime's viability remained on the political agenda across the political spectrum. Through blog posts and briefings with government departments, the team has remained an asset for policy makers to increase their understanding regarding relevant tax policy and the potential for reform. In the field of economics, our contributions to respected journals such as the Review of Economics and Statistics have shed light on the interplay between immigration and economic elites, as well as the tax contributions and migration patterns of the super-rich with a special focus on non-doms. This work was notably recognized with the International Institute of Public Finance (IIPF) Young Economist Award in 2023. A policy-focused piece in 2022 proposed reforms to the non-dom regime, coupled with revenue estimates, underscoring the practical implications of our findings. The team's publications in sociology journals offered a detailed examination of non-doms, providing a clearer picture of their characteristics, activities, and residencies. Further, we expanded the scope of class analysis on a European level and addressed the contentious issue of tax flight, questioning the assumption that the wealthy are quick to relocate in response to tax changes. Ultimately, the significant impact of our work has allowed us to secure crucial grants to continue working on related policy relevant research. This includes funding from the Nuffield Foundation, the Founders for Good, and the Economic and Social Research Council. These grants, exceeding one million pounds, allows us to further expand the impact of our work.
First Year Of Impact 2022
Sector Government, Democracy and Justice
Impact Types Societal

Economic

Policy & public services

 
Description HMRC - discussion of captial gains and non dom work
Geographic Reach National 
Policy Influence Type Participation in a guidance/advisory committee
 
Description HMRC and HMT discussed the next steps in non-doms policy reform
Geographic Reach National 
Policy Influence Type Participation in a guidance/advisory committee
 
Description Labour - discussion around non-dom policy
Geographic Reach National 
Policy Influence Type Participation in a guidance/advisory committee
 
Description Meeting with OBR about tax policy costings in non-doms and capital gains tax
Geographic Reach National 
Policy Influence Type Influenced training of practitioners or researchers
 
Description Reforming the Taxation of Carried Interest: Revenue Modelling
Geographic Reach National 
Policy Influence Type Contribution to a national consultation/review
URL https://centax.org.uk/policy/
 
Description Reforming the non-dom regime: revenue estimates
Geographic Reach National 
Policy Influence Type Contribution to a national consultation/review
URL https://centax.org.uk/policy/
 
Description Used materials as part of the MSc Tax and BCL courses at Oxford University (2023)
Geographic Reach Multiple continents/international 
Policy Influence Type Influenced training of practitioners or researchers
 
Description Abrdn Financial Fairness Trust
Amount £660,000 (GBP)
Organisation abrdn Financial Fairness Fund 
Sector Charity/Non Profit
Country United Kingdom
Start 08/2024 
End 09/2028
 
Description Broad shoulders: raising taxes at the top
Amount £469,513 (GBP)
Funding ID FR-000023787 
Organisation Nuffield Foundation 
Sector Charity/Non Profit
Country United Kingdom
Start 03/2023 
End 06/2026
 
Description Future Leaders Fellowship
Amount £1,400,000 (GBP)
Organisation Economic and Social Research Council 
Sector Public
Country United Kingdom
Start 11/2024 
End 11/2028
 
Description Good Ventures Foundation
Amount $210,000 (USD)
Organisation Open Philanthropy Project 
Sector Charity/Non Profit
Country United States
Start 09/2024 
End 12/2026
 
Description Taxing the Super-Rich
Amount £825,784 (GBP)
Funding ID ES/W012650/1 
Organisation Economic and Social Research Council 
Sector Public
Country United Kingdom
Start 11/2022 
End 10/2026
 
Description Thirty Percy Foundation
Amount £500,000 (GBP)
Organisation Thirty Percy Foundation 
Sector Charity/Non Profit
Country United Kingdom
Start 01/2025 
End 01/2027
 
Description 'Taxing Top Incomes: What Don't We Know (Yet)?' talk at the IFS Residential Conference on Taxing Top Incomes 
Form Of Engagement Activity A talk or presentation
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Policymakers/politicians
Results and Impact Andy Summers delivered a talk regarding measurment and taxation of top incomes at the IFS Residential Conference on Taxing Top Incomes on March 30, 2023.
Year(s) Of Engagement Activity 2023
URL https://ifs.org.uk/events/ifs-residential-conference-2023-taxing-top-incomes-design-issues-challenge...
 
Description Abolishing the non-dom regime would raise more than £3.2 billion each year, finds new report 
Form Of Engagement Activity Engagement focused website, blog or social media channel
Part Of Official Scheme? No
Geographic Reach International
Primary Audience Professional Practitioners
Results and Impact Non-domiciled residents in the UK ('non-doms') receive at least £10.9 billion in offshore income and capital gains each year, which they are not required to report to HMRC or pay tax on in the UK. Taxing this income would raise more than £3.2 billion in additional tax revenue each year and also remove the current disincentive to invest in the UK. Refuting concerns that abolishing non-dom status could lead to a mass exodus from the UK, the report calculates that only 0.3% of those affected would leave the country (fewer than 100 people), most of whom are paying hardly any tax under the current regime. A blog post based on research by Arun Advani, David Burgherr, Andy Summers
Year(s) Of Engagement Activity 2022
URL https://warwick.ac.uk/fac/soc/economics/research/centres/cage/news/27-09-22-abolishing_the_non_dom_r...
 
Description Adavani/Summers research frequently mentioned in Budget coverage 
Form Of Engagement Activity A press release, press conference or response to a media enquiry/interview
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Public/other audiences
Results and Impact ·         28 Feb: Why axing the non-dom status is no silver bullet - The Telegraph.
·         29 Feb: Tories explore scrapping non-dom tax status - BBC News
·         29 Feb 2024 Spring Budget 2024: Hunt considering scrapping non-dom rules to fund tax cuts
Year(s) Of Engagement Activity 2024
 
Description Advani - The National, a newspaper based in the UAE, about research into whether non-doms would leave the UK if their tax status changes 
Form Of Engagement Activity A press release, press conference or response to a media enquiry/interview
Part Of Official Scheme? No
Geographic Reach International
Primary Audience Public/other audiences
Results and Impact Advani spoke to The National, a newspaper based in the UAE, about his research into whether non-doms would leave the UK if their tax status changes. Scrapping non-dom status could cost UK 'tens of thousands of jobs' | The National (18 October); and to City AM (18 October) Non-dom exodus could cost UK 23,000 jobs, disputed report claims
Year(s) Of Engagement Activity 2024
 
Description Advani contributed to discussions about Undisclosed Foreign Income 
Form Of Engagement Activity A formal working group, expert panel or dialogue
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Professional Practitioners
Results and Impact On November 14, Advani contributed to discussions about Undisclosed Foreign Income during a session on the development of official statistics in this area.
Year(s) Of Engagement Activity 2024
 
Description Advani delivered a keynote at the Tax and Inequality Seminar at the OECD in Paris 
Form Of Engagement Activity A talk or presentation
Part Of Official Scheme? No
Geographic Reach International
Primary Audience Policymakers/politicians
Results and Impact On November 20, Advani delivered a keynote at the Tax and Inequality Seminar at the OECD in Paris, presenting his recent research on the Taxation of wealth and the wealthy.
Year(s) Of Engagement Activity 2024
 
Description Advani is mentioned in piece by German newspaper Handelsblatt looking at whether Chancellor Rachel Reeves is retreating from plans to tax the wealthy more 
Form Of Engagement Activity A press release, press conference or response to a media enquiry/interview
Part Of Official Scheme? No
Geographic Reach International
Primary Audience Public/other audiences
Results and Impact 12 October: Arun Advani is mentioned in this piece by German newspaper Handelsblatt looking at whether Chancellor Rachel Reeves is retreating from plans to tax the wealthy more: https://www.handelsblatt.com/politik/international/grossbritannien-angst-vor-steuerflucht-regierung-schwaecht-steuerplaene-ab/100074956.html
Year(s) Of Engagement Activity 2024
URL https://www.handelsblatt.com/politik/international/grossbritannien-angst-vor-steuerflucht-regierung-...
 
Description Advani is one of the experts contributing to an i news article looking at options for the forthcoming budget 
Form Of Engagement Activity A press release, press conference or response to a media enquiry/interview
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Public/other audiences
Results and Impact 11 October: Arun Advani is one of the experts contributing to an i news article looking at options for the forthcoming budget: The tax changes Reeves could make to raise £25bn - and how they could affect you (inews.co.uk)
Year(s) Of Engagement Activity 2024
URL https://inews.co.uk/inews-lifestyle/money/saving-and-banking/tax-changes-reeves-raise-25m-3317577
 
Description Advani is quoted in a short article on the Tortoise website 
Form Of Engagement Activity A press release, press conference or response to a media enquiry/interview
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Public/other audiences
Results and Impact 7 Feb - Advani is quoted in a short article on the Tortoise website looking at claims of an exodus of the wealthy Reeves tweaks non-dom tax as fears of ultra-rich exodus grow
Year(s) Of Engagement Activity 2024
URL https://www.tortoisemedia.com/2025/02/07/reeves-reconsiders-nondom-tax-as-fears-of-ultra-rich-exodus...
 
Description Advani is quoted in the FT: Labour faces non-dom 'black hole' 
Form Of Engagement Activity A press release, press conference or response to a media enquiry/interview
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Public/other audiences
Results and Impact Arun Advani is quoted in the FT: Labour faces non-dom 'black hole', Tories claim (14 May)
"Arun Advani, an associate professor at the University of Warwick, whose research specialises in non-doms, also said the Treasury figures sounded "pretty low".  He added it was "incumbent on government and civil servants" to release the assumptions behind their projections so that analysts, such as think tanks, tax practitioners and academics, could assess them."
Year(s) Of Engagement Activity 2024
 
Description Advani met the ICAEW (tax policy making) 
Form Of Engagement Activity A formal working group, expert panel or dialogue
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Professional Practitioners
Results and Impact 2nd December Advani met the ICAEW (tax policy making)
Year(s) Of Engagement Activity 2024
 
Description Advani panel discussions at the Conservative conference, discussing his work on tax reform 
Form Of Engagement Activity A formal working group, expert panel or dialogue
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Policymakers/politicians
Results and Impact 2 October:  Arun Advani took part in panel discussions at the Conservative conference, discussing his work on tax reform - Centax/Onward event
Year(s) Of Engagement Activity 2024
 
Description Advani participated in a discussion about tax reform hosted by Labour Together 
Form Of Engagement Activity A formal working group, expert panel or dialogue
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Policymakers/politicians
Results and Impact On November 18, Advani participated in a discussion about tax reform hosted by Labour Together addressing policy options for enhancing the system's equity and efficiency.
Year(s) Of Engagement Activity 2024
 
Description Advani participated in the IfG post-budget roundtable 
Form Of Engagement Activity A formal working group, expert panel or dialogue
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Professional Practitioners
Results and Impact On November 11, Arun Advani participated in the IfG post-budget roundtable, engaging in discussions on fiscal policy and its implications.
Year(s) Of Engagement Activity 2024
 
Description Advani presented research on Taxation and Migration by the Super Rich at Imperial Business School 
Form Of Engagement Activity A talk or presentation
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Professional Practitioners
Results and Impact On November 13, Advani presented research on Taxation and Migration by the Super Rich at Imperial Business School - Finance.
Year(s) Of Engagement Activity 2024
 
Description Advani studio guest on LBC's "Tonight with Andrew Marr" 
Form Of Engagement Activity A broadcast e.g. TV/radio/film/podcast (other than news/press)
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Public/other audiences
Results and Impact Arun Advani was a studio guest on LBC's "Tonight with Andrew Marr" on 26 September discussing the reported concerns that non-dom reform won't raise as much tax as anticipated. Tonight with Andrew Marr 26/09 | Watch Again - LBC
Year(s) Of Engagement Activity 2024
URL https://www.lbc.co.uk/radio/presenters/andrew-marr/tonight-with-andrew-marr-26-09-24-watch-again/
 
Description Advani took part in panel discussions at the Labour conference, discussing work on tax reform 
Form Of Engagement Activity A formal working group, expert panel or dialogue
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Policymakers/politicians
Results and Impact 24 September - Arun Advani took part in panel discussions at the Labour conference, discussing his work on tax reform - Centax/New Statesman event
Year(s) Of Engagement Activity 2024
 
Description Advani was interviewed for a new ESRC Policy Toolkit 
Form Of Engagement Activity A press release, press conference or response to a media enquiry/interview
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Professional Practitioners
Results and Impact January 27, Arun Advani was interviewed for a new ESRC Policy Toolkit, about his experience turning research into policy reform.
Year(s) Of Engagement Activity 2024
 
Description Advani/Summer spoke at the parliamentary launch of the Centre for the Analysis of Taxation 
Form Of Engagement Activity Participation in an activity, workshop or similar
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Policymakers/politicians
Results and Impact On November 11, Advani & Sumemrs spoke at the parliamentary launch of the Centre for the Analysis of Taxation (CenTax), of which they are the directors.
Year(s) Of Engagement Activity 2024
 
Description Advani/Summer's met with Dan York-Smith, Director General for Tax and Welfare at HMT 
Form Of Engagement Activity A formal working group, expert panel or dialogue
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Policymakers/politicians
Results and Impact Jan 9 and Jan 13, Advani/Summer's met with Dan York-Smith, Director General for Tax and Welfare at HMT, to discuss tax reform.
Year(s) Of Engagement Activity 2024
 
Description Advani/Summer's research into non-doms was cited in a Reuters opinion column 
Form Of Engagement Activity A press release, press conference or response to a media enquiry/interview
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Public/other audiences
Results and Impact Advani/Summers research into non-doms was cited in a Reuters opinion column (4 December) UK is now risky lab rat for rich tax-perk reform | Reuters
Year(s) Of Engagement Activity 2024
URL https://www.reuters.com/breakingviews/uk-is-now-risky-lab-rat-rich-tax-perk-reform-2024-12-04/
 
Description Advani/Summer's tax research was cited in a House of Commons POST note, "Addressing economic inequalities" 
Form Of Engagement Activity A formal working group, expert panel or dialogue
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Policymakers/politicians
Results and Impact Advani/Summer's tax research was cited in a House of Commons POST note, "Addressing economic inequalities". POST notes are influential summaries of current research prepared for Members of Parliament. (6 Jan) https://post.parliament.uk/addressing-economic-inequalities/
Year(s) Of Engagement Activity 2024
URL https://post.parliament.uk/addressing-economic-inequalities/
 
Description Andy Summers co-organiser of, and panelist on, the panel 'What Should Fiscal and Social Policy in a Sustainable Economy Look Like?', hosted by the International Inequalities Institute (LSE) 
Form Of Engagement Activity A formal working group, expert panel or dialogue
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Public/other audiences
Results and Impact Andy Summers co-organiser of, and panelist on, the panel 'What Should Fiscal and Social Policy in a Sustainable Economy Look Like?', hosted by the International Inequalities Institute (LSE) on January 31, 2023. This event was co-organizes with Liam Byrne MP and LSE Public Affairs Team.
Year(s) Of Engagement Activity 2023
URL https://www.lse.ac.uk/Events/2023/01/202301311830/policy
 
Description Andy Summers on the festival steering group of, and contributor to an exhibition in, the LSE Festival 
Form Of Engagement Activity Participation in an activity, workshop or similar
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Postgraduate students
Results and Impact Andy Summers was on the festival steering group o the LSE Festival taking place June 12-17, 2023. Furthermore, he contributed to the exhibition Mapping People and Change through the project 'Inequality in London', which showcased the work on UK global elites taking place as a result of the grant.
Year(s) Of Engagement Activity 2023
URL https://www.lse.ac.uk/Events/LSE-Festival/2023/events/mappingexhibition/mapping
 
Description Arun Advani and Andy Summers quoted on research into non-doms in FT Adviser "Abolishing non-doms would raise £3.2bn, report says" 
Form Of Engagement Activity A press release, press conference or response to a media enquiry/interview
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Public/other audiences
Results and Impact Arun Advani and Andy Summers quoted on research into non-doms in FT Adviser article "Abolishing non-doms would raise £3.2bn, report says" written by Sally Hickey.
Year(s) Of Engagement Activity 2022
URL https://www.ftadviser.com/investments/2022/09/27/abolishing-non-doms-would-raise-3-2bn-report-says/
 
Description Arun Advani briefed Sian Thomas (Head of Data Science) at Department for International Trade on cross government data linking 
Form Of Engagement Activity A formal working group, expert panel or dialogue
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Policymakers/politicians
Results and Impact Arun Advani briefed Sian Thomas (Head of Data Science) at Department for International Trade on cross government data linking - 20 January 2023
Year(s) Of Engagement Activity 2023
 
Description Arun Advani interviewed on Bloomberg Podcast "The Tory Tax Problem May Be Britain's, Too" 
Form Of Engagement Activity A press release, press conference or response to a media enquiry/interview
Part Of Official Scheme? No
Geographic Reach International
Primary Audience Media (as a channel to the public)
Results and Impact Arun Advani was interviewed by David Merritt and Francine Lacqua for the Bloomberg Podcast on 25 January 2023

The big story in the UK this week centers on the fate of Conservative Party Chairman Nadhim Zahawi. His tax affairs have come under scrutiny following a report that he'd paid £4.8 million ($5.4 million) in taxes to His Majesty's Revenue & Customs, including a 30% penalty for not paying on time in the first place. Zahawi's excuse was that he'd been "careless," and so far he's been allowed to stay in his post. But pressure is mounting. In this week's In the City, reporter Alex Wickham joins to assess the damage being done to the Tory party's popularity as a result of the scandal. As Wickham puts it, the incident "feeds into the narrative that the Tories just don't get it during a cost of living crisis." It's an impression that arguably goes over poorly with voters. EMBED If you ask Arun Advani, the interesting part of the story is less about why Zahawi paid the wrong amount, and more how small it was when compared with the earnings he generated. Advani, an associate professor in economics at the University of Warwick and a Research Fellow at the Institute for Fiscal Studies, explains the UK's current tax structure and where there's room for improvement. "Think about it less as pursuing the wealthy and more as pursuing wealth," Advani says. "The distinction there is it's not about trying to tax people because they're rich, it's about trying to tax money that comes from owning assets and getting return on that relative to taxing labor."
Year(s) Of Engagement Activity 2021,2023
URL https://www.bloomberg.com/news/audio/2023-01-25/the-tory-tax-problem-may-be-britain-s-too-podcast
 
Description Arun Advani interviewed on Channel 4 News "Rishi Sunak: Questions over the Chancellor's tax arrangements" 9/4/22 
Form Of Engagement Activity A broadcast e.g. TV/radio/film/podcast (other than news/press)
Part Of Official Scheme? No
Geographic Reach International
Primary Audience Media (as a channel to the public)
Results and Impact Arun Advani interview about non-dom tax status by Channel 4 News
Year(s) Of Engagement Activity 2022
URL https://www.channel4.com/news/rishi-sunak-questions-over-the-chancellors-tax-arrangements
 
Description Arun Advani interviewed on the podcast Taxcast 
Form Of Engagement Activity A broadcast e.g. TV/radio/film/podcast (other than news/press)
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Public/other audiences
Results and Impact Arun Advani was interviewed on the Tax Justice Network's podcast Taxcast to speak about non-doms. The podcast espisode was released on April 28 2022.
Year(s) Of Engagement Activity 2022
URL https://taxjustice.net/2022/04/28/nondoms-unmasked-the-tax-justice-network-podcast/
 
Description Arun Advani quoted on research into non-doms in The Guardian "Super-rich UK non-doms avoiding £3.2bn in tax each year, report finds" 
Form Of Engagement Activity A press release, press conference or response to a media enquiry/interview
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Public/other audiences
Results and Impact Arun Advani quoted on research into non-doms in The Guardian article "Super-rich UK non-doms avoiding £3.2bn in tax each year, report finds"written by Rupert Neate.
Year(s) Of Engagement Activity 2022
URL https://www.theguardian.com/news/2022/sep/27/super-rich-uk-non-doms-avoiding-32bn-in-tax-each-year-r...
 
Description Arun Advani speaker at CAGE Research Centre fringe event at Labour Party Conference 
Form Of Engagement Activity A talk or presentation
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Policymakers/politicians
Results and Impact Arun Advani speaker at CAGE Research Centre fringe event at Labour Party Conference. Other speakers were Shadow Financial Secretary James Murray; Nimesh Shah, CEO of Blick Rothenberg; Rushanara Ali MP, who sits on the Treasury Committee.
Year(s) Of Engagement Activity 2022
URL https://www.tax.org.uk/labour-conference-2022
 
Description Arun Advani speaker at LSE III Event "Uncomfortably off: Why the top 10% of earners should care about inequality" (Panel for book "Uncomfortably off") 
Form Of Engagement Activity Participation in an activity, workshop or similar
Part Of Official Scheme? No
Geographic Reach Local
Primary Audience Undergraduate students
Results and Impact Arun Advani speaker at LSE III Event "Uncomfortably off: Why the top 10% of earners should care about inequality" (Panel for book "Uncomfortably off")
Year(s) Of Engagement Activity 2023
URL https://www.lse.ac.uk/International-Inequalities/Events/2023-Events
 
Description Arun Advani speaker at the The Spectator Conservative Party Conference debate: "Should we have non-doms?" 
Form Of Engagement Activity A talk or presentation
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Policymakers/politicians
Results and Impact Arun Advani speaker at the The Spectator Conservative Party Conference debate: "Should we have non-doms?". Other participants were: Andrew Griffith MP, Financial Secretary to the Treasury; Fraser Nelson, editor, The Spectator; Tom Clougherty, research director, Centre for Policy Studies. Chair was Katy Balls of The Spectator.
Year(s) Of Engagement Activity 2022
URL https://www.spectator.co.uk/article/the-spectator-at-tory-conference-2022-events-programme/
 
Description Arun Advani wrote an "explainer" for the Guardian 
Form Of Engagement Activity A press release, press conference or response to a media enquiry/interview
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Public/other audiences
Results and Impact 29 Feb: Arun Advani wrote an "explainer" for the Guardian about what would happen if the UK's non-dom tax status was scrapped: What would happen if the UK's non-dom tax status was scrapped? | Tax and spending | The Guardian.  He is quoted in the i-paper (1 March) discussing National Insurance:  Two million set for 'stealth tax' rise in next year without Budget help (inews.co.uk)
Year(s) Of Engagement Activity 2024
 
Description Arun Advani's research cited in BBC News report on non-dom taxation 7/4/22 
Form Of Engagement Activity A broadcast e.g. TV/radio/film/podcast (other than news/press)
Part Of Official Scheme? No
Geographic Reach International
Primary Audience Media (as a channel to the public)
Results and Impact Arun Advani's research and data on non-doms cited in BBC News report by Ben Chu
Year(s) Of Engagement Activity 2022
URL https://www.youtube.com/watch?app=desktop&v=FWbNo7Zuu3g
 
Description Arun Advani's research into non-doms cited in Financial Times "Ending UK non-dom regime could raise at least £3.2bn, study finds" 
Form Of Engagement Activity A press release, press conference or response to a media enquiry/interview
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Public/other audiences
Results and Impact CAGE policy briefing no 38 referenced along with quote from Arun Advani: "The study by researchers at Warwick university and the London School of Economics, based on an analysis of 20 years' worth of anonymised tax returns, also estimated that the unreported offshore earnings of UK residents domiciled overseas totalled £10.9bn in 2018, the latest year for which data is available." [....] "Arun Advani, an associate professor at Warwick university and co-author of the report, said the government's plan to scrap the 45 per cent income tax rate would shrink the estimated £3.2bn tax boost but that "the crash in the pound caused by the mini-budget probably offsets that"."
Year(s) Of Engagement Activity 2022
URL https://www.ft.com/content/02903c0c-0017-4a8e-8b8d-d7b081396278
 
Description Arun Advani's research into non-doms cited in Financial Times "How the UK's non-dom status works" 
Form Of Engagement Activity A press release, press conference or response to a media enquiry/interview
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Public/other audiences
Results and Impact CAGE working paper 570 cited "A study published this week by University of Warwick academics, analysing two decades of non-doms' tax data, reveals 93 per cent of non-doms in 2018 were foreign born. Most came from India, the US, western Europe (particularly France) and English-speaking countries such as Australia, Canada, Ireland, New Zealand, and South Africa. Since 2000, the strongest increase has come from India and China. Between 2001 and 2018, the Indian total rose from 3,200 in to 22,700, and the Chinese from 400 to 3,100."
Year(s) Of Engagement Activity 2022
URL https://www.ft.com/content/81379a7a-5182-4845-b279-570b99406b5e
 
Description Arun Advani's research into non-doms cited in The Economist "What are non-doms, and why does it matter that Rishi Sunak's wife is one?" 
Form Of Engagement Activity A press release, press conference or response to a media enquiry/interview
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Public/other audiences
Results and Impact Arun Advani's CAGE Policy Briefing 38 cited and quoted in The Economist: "Although theoretically open to all, non-dom status is overwhelmingly used by the rich. Research carried out by the University of Warwick and the London School of Economics shows that 40% of individuals who earned £5m or more in 2018 have claimed non-dom status at some point, compared with less than 0.3% of those earning less than £100,000. Their number includes 40% of top earners (defined as those earning more than £125,000 per year) in the oil industry, 25% of top earners in the car industry, and one in six sports and film stars. "I think the biggest shock might be to bankers and others working in City jobs, when they realise how many of their colleagues are benefiting from a tax regime they don't have access to," says Arun Advani of the University of Warwick's economics department."
Year(s) Of Engagement Activity 2022
URL https://www.economist.com/the-economist-explains/2022/04/07/what-are-non-doms-and-why-does-it-matter...
 
Description Arun Advani's research into non-doms cited in The Guardian "Akshata Murty is not alone, non-doms are ten a penny in some circles" 
Form Of Engagement Activity A press release, press conference or response to a media enquiry/interview
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Public/other audiences
Results and Impact CAGE Policy Briefing no. 36 cited "A Warwick and LSE team has released great new research on non-doms - UK residents who aren't required to pay UK tax on their overseas incomes or wealth because this isn't their permanent home. Their timing was impeccable (although I'm assured entirely coincidental), as the rights and wrongs of the chancellor's wife, Akshata Murty, being a non-dom dominated the news."
Year(s) Of Engagement Activity 2022
URL https://www.theguardian.com/commentisfree/2022/apr/10/akshata-murty-is-not-alone-non-doms-are-ten-a-...
 
Description Arun Advani's research into non-doms cited in The Guardian "Number of UK non-doms down by 11% after pandemic travel curbs" 
Form Of Engagement Activity A press release, press conference or response to a media enquiry/interview
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Public/other audiences
Results and Impact Arun Advani quoted in The Guardian "Arun Advani, an associate professor at University of Warwick, said: "This is a reminder that while the non-dom regime is alien to most people, use of this tax break is common among the wealthiest. The latest figures show use of this tax perk has continued to remain high, continuing to cost the Treasury money during a cost of living crisis.""
Year(s) Of Engagement Activity 2022
URL https://www.theguardian.com/politics/2022/jul/28/number-uk-non-doms-down-pandemic-travel-curbs
 
Description Arun Advani's research into non-doms cited in The Guardian "UK politics: Sunak should explain wife's non-domicile tax decision, says Labour - as it happened" 
Form Of Engagement Activity A press release, press conference or response to a media enquiry/interview
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Public/other audiences
Results and Impact CAGE working paper 570 cited in The Guardian: "Arun Advani, assistant professor at the University of Warwick's economics department and an expert on non-dom tax law, said: "Citizenship has nothing to do with whether you choose to/not to claim remittance basis in the UK.""
Year(s) Of Engagement Activity 2022
URL https://www.theguardian.com/politics/live/2022/apr/07/uk-politics-live-tories-energy-strategy-boris-...
 
Description Arun Advani's research into non-doms cited in The Independent "Labour pledges to scrap non-dom tax break after Rishi Sunak's wife status revealed" 
Form Of Engagement Activity A press release, press conference or response to a media enquiry/interview
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Public/other audiences
Results and Impact CAGE policy briefing no.36 cited "Four in 10 individuals who earned more than £5m or more in 2018 claimed non-dom status at some point, academics at the London School of Economics and Warwick University found in a recent study. It has been a live policy issue in recent years, with a conditional 15-year limit placed on the tax break introduced in 2017."
Year(s) Of Engagement Activity 2022
URL https://www.independent.co.uk/news/uk/politics/rishi-sunak-labour-non-dom-tax-break-b2063919.html
 
Description Arun Advani's research into non-doms cited in The Independent "Non dom status used by nearly 70,000 people to cut tax bills in UK, official figures show" 
Form Of Engagement Activity A press release, press conference or response to a media enquiry/interview
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Public/other audiences
Results and Impact CAGE policy briefing no. 38 cited and Arun Advani quoted in The Guardian "Arun Advani, associate professor at the University of Warwick, said in response to the figures: "This is a reminder that, while the non-dom regime is alien to most people, use of this tax break is common among the wealthiest. "The latest figures show the use of this tax perk has continued to remain high, continuing to cost the Treasury money during a cost of living crisis."" [....] "A new analysis from the London School of Economics and the University of Warwick shows that one in seven billionaires on the 2020 Sunday Times Rich List (STRL) is unlikely to be resident in the UK for tax purposes."
Year(s) Of Engagement Activity 2022
URL https://www.independent.co.uk/news/business/news/non-dom-tax-hmrc-b2133041.html
 
Description Arun Advani's research into non-doms cited in The Independent "One in five bankers use non-dom tax saving status, study finds" 
Form Of Engagement Activity A press release, press conference or response to a media enquiry/interview
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Public/other audiences
Results and Impact CAGE Policy Briefing no 38 cited: "Four in ten individuals who earned £5 million or more in 2018 have claimed non-dom status at some point, academics at the London School of Economics and Warwick University found, after they were granted access to a decade of anonymised HMRC data. [....] Arun Advani, assistant professor at the University of Warwick said: "Whilst clearly most people have little idea about the non-dom regime, I think the biggest shock might be to bankers and others working in City jobs, when they realise how many of their colleagues are benefitting from a tax regime they don't have access to.""
Year(s) Of Engagement Activity 2022
URL https://www.independent.co.uk/news/business/news/nondom-tax-bankers-research-b2052846.html
 
Description Arun Advani's research into wealth tax cited in British Medical Journal 
Form Of Engagement Activity A press release, press conference or response to a media enquiry/interview
Part Of Official Scheme? No
Geographic Reach International
Primary Audience Media (as a channel to the public)
Results and Impact Arun Advani's research into wealth tax was cited in the British Medical Journal article - "Should the UK have a wealth tax? Almost certainly" by Richard Smith
Year(s) Of Engagement Activity 2022
URL https://www.bmj.com/content/bmj/379/bmj.o2763.full.pdf
 
Description Arun Advani's research on non-dom taxation cited on BBC World News "HARDtalk 16/12/22" 
Form Of Engagement Activity A broadcast e.g. TV/radio/film/podcast (other than news/press)
Part Of Official Scheme? No
Geographic Reach International
Primary Audience Media (as a channel to the public)
Results and Impact Arun Advani's research on non-dom taxation cited on BBC World News "HARDtalk 16/12/22" - radio show
Year(s) Of Engagement Activity 2022
URL https://www.bbc.co.uk/sounds/play/w3ct32gx
 
Description Arun Advani: presentation to and discussion with HMRC and HM Treasury on how we produce non-doms numbers 
Form Of Engagement Activity A formal working group, expert panel or dialogue
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Policymakers/politicians
Results and Impact Arun Advani participated in a presentation to and discussion with HMRC and HM Treasury on how we produce the non-doms numbers for his research (16 December 2022)
Year(s) Of Engagement Activity 2022
 
Description Arun Advani: presentation to and discussion with HMRC and HM Treasury on how we produce non-doms numbers 
Form Of Engagement Activity A formal working group, expert panel or dialogue
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Policymakers/politicians
Results and Impact Arun Advani participated in a presentation to and discussion with HMRC and HM Treasury on how we produce the non-doms numbers for his research (16 December 2022)
Year(s) Of Engagement Activity 2022
 
Description Bloomberg - Notting Hill's Rich Won't Decamp to Monaco 
Form Of Engagement Activity A press release, press conference or response to a media enquiry/interview
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Public/other audiences
Results and Impact Bloomberg - Notting Hill's Rich Won't Decamp to Monaco https://www.bloomberg.com/opinion/articles/2024-03-01/capital-gains-tax-increases-won-t-drive-away-the-uk-s-wealthy?leadSource=uverify%20wall
Year(s) Of Engagement Activity 2024
URL https://www.bloomberg.com/opinion/articles/2024-03-01/capital-gains-tax-increases-won-t-drive-away-t...
 
Description Bloomberg - What Is UK 'Non-Dom' Status? Why Is It Controversial? 
Form Of Engagement Activity A press release, press conference or response to a media enquiry/interview
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Public/other audiences
Results and Impact Bloomberg - What Is UK 'Non-Dom' Status? Why Is It Controversial? QuickTake - https://www.bloomberg.com/news/articles/2024-03-05/what-is-uk-non-dom-status-why-is-it-controversial-quicktake
Year(s) Of Engagement Activity 2024
URL https://www.bloomberg.com/news/articles/2024-03-05/what-is-uk-non-dom-status-why-is-it-controversial...
 
Description Bloomberg TV - Advani  interviewed by Tom Mackenzie on Bloomberg TV, non-dom tax changes. 
Form Of Engagement Activity A broadcast e.g. TV/radio/film/podcast (other than news/press)
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Public/other audiences
Results and Impact Bloomberg TV - Arun Advani  interviewed by Tom Mackenzie on Bloomberg TV, non-dom tax changes.
Year(s) Of Engagement Activity 2024
 
Description Budget 2024: What time is it and what will it mean for my money? - BBC News 
Form Of Engagement Activity A press release, press conference or response to a media enquiry/interview
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Public/other audiences
Results and Impact 6 March: Budget 2024: What time is it and what will it mean for my money? - BBC News
Year(s) Of Engagement Activity 2024
 
Description CenTax proposals for an exit tax, based on analysis of Companies House data 
Form Of Engagement Activity A press release, press conference or response to a media enquiry/interview
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Public/other audiences
Results and Impact CenTax proposals for an exit tax, based on analysis of Companies House data which shows an outflow of £5.1 billion in shareholder value in the year to April 2024 from UK nationals moving overseas, received strong coverage, both for and against. Some examples:
• 8 October: City AM: Record number of millionaires to leave UK as academics join calls for exit tax (cityam.com)
• 8 October: the Daily Mail The exodus of the super-rich: Britain will lose a FIFTH of its millionaires in raid on non doms as economists call for wealthy emigres to pay 'exit tax' | Daily Mail Online
• 8 October: Guido Fawkes Fresh 'Exit Tax' Proposals To Deter New Wealth from UK - Guido Fawkes (order-order.com)
• 9 October: The FT reports that Chancellor Rachel Reeves has ruled out an exit tax https://www.ft.com/content/6a52e390-9754-4044-b349-da101206731e
• 11 October: Polly Toynbee cites new work by CenTax proposing an "exit tax" in her Guardian column, The super-rich claim they'll flee to escape a Labour 'tax grab'. Here's an idea for how to stop them. The super-rich claim they'll flee to escape a Labour 'tax grab'. Here's an idea for how to stop them | Polly Toynbee | The Guardian
Year(s) Of Engagement Activity 2024
 
Description CenTax research is cited in an article on the "expert insights" section of the Charles Russell Speechlys website 
Form Of Engagement Activity A press release, press conference or response to a media enquiry/interview
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Public/other audiences
Results and Impact 19 Feb - CenTax research is cited in an article on the "expert insights" section of the Charles Russell Speechlys website: Private wealth in motion: The great exodus
Year(s) Of Engagement Activity 2024
URL https://www.charlesrussellspeechlys.com/en/insights/expert-insights/private-client/2025/private-weal...
 
Description CenTax workshop, building on the momentum from the successful launch 
Form Of Engagement Activity Participation in an activity, workshop or similar
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Professional Practitioners
Results and Impact On November 12, Advani/Summers hosted a CenTax workshop, building on the momentum from the successful launch event held the previous day.
Year(s) Of Engagement Activity 2024
 
Description Chartered Institute of Taxation includes the CenTax/Onward fringe meeting in its round-up of Conservative Party Conference 
Form Of Engagement Activity A press release, press conference or response to a media enquiry/interview
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Professional Practitioners
Results and Impact 7 October: the Chartered Institute of Taxation includes the CenTax/Onward fringe meeting in its round-up of Conservative Party Conference: Conservative Conference 2024: Contenders compete to hoist low tax banner
Year(s) Of Engagement Activity 2024
URL https://www.tax.org.uk/conservative-conference-2024-contenders-compete-to-hoist-low-tax-banner
 
Description CityAM quotes Advani as part of an article: Inside UK non-doms' battle for survival 
Form Of Engagement Activity A press release, press conference or response to a media enquiry/interview
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Public/other audiences
Results and Impact CityAM quotes Arun as part of an article making the case for a Tiered Tax Regime to replace "non-dom" tax status (26 October): Inside UK non-doms' battle for survival
Year(s) Of Engagement Activity 2024,2025
URL https://www.cityam.com/inside-the-non-doms-fight-for-survival-in-britain/
 
Description House of Commons Library - Budget 2024 and Finance (No. 2) Bill 2023-24 
Form Of Engagement Activity A formal working group, expert panel or dialogue
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Policymakers/politicians
Results and Impact House of Commons Library - Budget 2024 and Finance (No. 2) Bill 2023-24 (mentions select committee appearance: https://commonslibrary.parliament.uk/research-briefings/cbp-9985/
Year(s) Of Engagement Activity 2024
URL https://commonslibrary.parliament.uk/research-briefings/cbp-9985/
 
Description Labour crackdown on non-doms may raise no money, officials fear | Autumn budget 2024 | The Guardian 
Form Of Engagement Activity A press release, press conference or response to a media enquiry/interview
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Public/other audiences
Results and Impact Labour crackdown on non-doms may raise no money, officials fear | Autumn budget 2024 | The Guardian
Year(s) Of Engagement Activity 2024
URL https://www.theguardian.com/uk-news/2024/sep/25/labour-crackdown-on-non-doms-may-raise-no-money-offi...
 
Description More than one in five top earning bankers has benefited from non-dom status, finds new report 
Form Of Engagement Activity Engagement focused website, blog or social media channel
Part Of Official Scheme? No
Geographic Reach International
Primary Audience Professional Practitioners
Results and Impact More than one in five top earning bankers has benefited from non-dom status, according to a new report. Non-doms also make up a sizeable share of top earners - those in the top 1%, earning over £125,000 - in other industries, with two out five top earners in the oil industry and one in four top earners in the car industry having claimed non-dom status at some point. One in six top earning sports and film stars living in the UK have claimed non-dom status, with an average income of £2 million each. These findings come from new research which gained unprecedented access to the tax records of the UK's non-doms. Based on research by Arun Advani, David Burgherr, Mike Savage, Andy Summers
Year(s) Of Engagement Activity 2022
URL https://warwick.ac.uk/fac/soc/economics/research/centres/cage/news/07-04-22-more_than_one_in_five_to...
 
Description Non-Dom tax reform, Budget 2024 
Form Of Engagement Activity A press release, press conference or response to a media enquiry/interview
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Public/other audiences
Results and Impact Chancellor of the Exchequer Jeremy Hunt announced significant changes to the UK's tax rules for "non-doms." Dr Arun Advani has been researching this area for several years as part of his work looking at wealth taxes and how to make the UK tax system fairer. His work, jointly with colleagues at the LSE International Inequalities Institute, was the first in the UK taking a systematic look at the non-dom population and was reflected in the announcement.
There have been more than 50 press cuttings since the budget citing Advani/Summers, Warwick, or both - here is a selection:
·         Op-ed in the New Statesman (12 March): The abolition of non-dom status is murkier than it looks - New Statesman
·         Research cited on BBC News website (6 March): What does non-dom mean and how are the rules changing? - BBC News
·         Research cited in a Financial Times column (6 March): Modernising the non-dom rules is disruptive but overdue (ft.com)
·         Research cited by Bloomberg (6 March) End of UK's Non-Dom Tax Break Unsettles Wealthiest Residents - Bloomberg
·         Quoted in the Daily Express (6 March) : Capital Gains Tax higher rate reduced from 28% to 24% in Spring Budget | Personal Finance | Finance | Express.co.uk
·         Quoted in The Guardian (6 March) Jeremy Hunt mirrors Labour policy by axing non-dom tax rules | Budget 2024 (spring) | The Guardian
·         Quoted in CNN report (6 March): Britain raids the pockets of the jet-setting super-rich to raise $3 billion UK 'non-dom' tax status, explained | CNN Business
·         Research discussed on Times Radio, 08.10am 6 March
·         Mentioned by Soumaya Keynes in FT podcast, 8 March FT Podcast: Transcript: Jeremy Hunt - tax-cutting wizard or fiscal drag queen? (ft.com)
Year(s) Of Engagement Activity 2024
 
Description Non-doms are not fleeing tax hikes - blog post by Arun Advani and David Burgherr 
Form Of Engagement Activity Engagement focused website, blog or social media channel
Part Of Official Scheme? No
Geographic Reach International
Primary Audience Professional Practitioners
Results and Impact Recent HMRC statistics show a fall in the number of non-domiciled residents (non-doms) in the UK-people living in the country who benefit from generous tax exemptions on their foreign assets and investment returns. The number has fallen not because non-doms have left, but because they stopped claiming, write Arun Advani and David Burgherr. Misinterpretation of these statistics, and of the policy more generally, risks leaving the UK with a policy that is costly, unfair, and bad for growth. Blog post from LSE Business Review
Year(s) Of Engagement Activity 2023
URL https://blogs.lse.ac.uk/businessreview/2023/01/20/non-doms-are-not-fleeing-tax-hikes/
 
Description OBR Advisory Panel Annual Meeting 
Form Of Engagement Activity A formal working group, expert panel or dialogue
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Professional Practitioners
Results and Impact OBR Advisory Panel Annual Meeting - Presentations by OBR staff, and roundtable discussions.
Year(s) Of Engagement Activity 2024
 
Description Op-ed written by Arun Advani, David Burgherr, and Andy Summers in New Statesman "Taxing non-doms fairly would raise billions' 
Form Of Engagement Activity A press release, press conference or response to a media enquiry/interview
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Public/other audiences
Results and Impact Op-ed written by Arun Advani, David Burgherr, and Andy Summers in New Statesman "Taxing non-doms fairly would raise billions'
Year(s) Of Engagement Activity 2022
URL https://www.newstatesman.com/spotlight/economic-growth/investment/2022/09/taxing-non-doms-fairly-wou...
 
Description Presentation at 2022 Annual Congress of the IIPF (International Institute of Public Finance) 
Form Of Engagement Activity A talk or presentation
Part Of Official Scheme? No
Geographic Reach International
Primary Audience Postgraduate students
Results and Impact Arun Advani delivered a talk based on the working paper "Taxation and Migration by the Super-rich" (A. Advani, D. Burgherr and A. Summers) at 2022 Annual Congress of the IIPF (International Institute of Public Finance), which took place during August 9-12, 2022.
Year(s) Of Engagement Activity 2022
URL https://www.iipf.org/congress2022_program.htm
 
Description Presentation at The 79th Annual Congress of the International Institute of Public Finance 
Form Of Engagement Activity A talk or presentation
Part Of Official Scheme? No
Geographic Reach International
Primary Audience Postgraduate students
Results and Impact Arun Advani delivered a talk at the 79th Annual Congress of the International Institute of Public Finance taking place August 13-16, 2023.
Year(s) Of Engagement Activity 2023
URL https://huntsman.usu.edu/iipf/
 
Description Rachel Reeves watering down non-dom tax changes would be 'sensible and pragmatic', tax experts say 
Form Of Engagement Activity A press release, press conference or response to a media enquiry/interview
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Public/other audiences
Results and Impact Rachel Reeves watering down non-dom tax changes would be 'sensible and pragmatic', tax experts say | The Independent (27 September)
Year(s) Of Engagement Activity 2024
URL https://www.independent.co.uk/news/uk/politics/rachel-reeves-non-dom-loophole-budget-b2619987.html
 
Description Research on the impact of non-dom tax reform is cited by Polly Toynbee in a Guardian 
Form Of Engagement Activity A press release, press conference or response to a media enquiry/interview
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Public/other audiences
Results and Impact Arun Advani's research on the impact of non-dom tax reform is cited by Polly Toynbee in a Guardian opinion piece - At a festival for the super-rich, the argument for higher taxes couldn't have been clearer | Polly Toynbee | The Guardian (21 May).
Year(s) Of Engagement Activity 2024
 
Description Roundtable consultation on the non-dom reform at the Treasury 
Form Of Engagement Activity A formal working group, expert panel or dialogue
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Policymakers/politicians
Results and Impact Arun Advani attended a roundtable consultation on the non-dom reform at the Treasury on May 14.
Year(s) Of Engagement Activity 2024
 
Description Submission to HMRC 'Changes to HMRC Statistics Publications' Consultation regarding statistics on non-domiciled taxpayers in the UK 
Form Of Engagement Activity A formal working group, expert panel or dialogue
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Policymakers/politicians
Results and Impact Submission to HMRC 'Changes to HMRC Statistics Publications' Consultation regarding statistics on non-domiciled taxpayers in the UK, by Arun Advani, David Burgherr, Helen Hughson and Andy Summers.
Year(s) Of Engagement Activity 2023
URL https://arunadvani.com/papers/AdvaniBurgherrHughsonSummers2023_ChangesToHMRCStatisticsPublicationsSu...
 
Description Taxation and Migration of the Super-rich at the CESifo Area Conference on Public Economics 
Form Of Engagement Activity A talk or presentation
Part Of Official Scheme? No
Geographic Reach International
Primary Audience Professional Practitioners
Results and Impact March 22 Arun Advani presented Taxation and Migration of the Super-rich at the CESifo Area Conference on Public Economics
Year(s) Of Engagement Activity 2024
 
Description Taxation and migration by the super-rich talk at Oxford University Centre for Business Taxation Research Seminars 
Form Of Engagement Activity A talk or presentation
Part Of Official Scheme? No
Geographic Reach International
Primary Audience Postgraduate students
Results and Impact Arun Advani delivered a seminar based on the working paper "Taxation and migration by the super-rich" (A. Advani, D. Burgherr and A. Summers) at Oxford University Centre for Business Taxation Research Seminars on November 15 2022.
Year(s) Of Engagement Activity 2022
URL https://talks.ox.ac.uk/talks/series/id/37b42b6f-10b9-46b1-881f-f2f734d5635c?show_all=true
 
Description Taxation and migration by the super-rich talk at Tilburg University 
Form Of Engagement Activity A talk or presentation
Part Of Official Scheme? No
Geographic Reach International
Primary Audience Postgraduate students
Results and Impact Arun Advani delivered a seminar based on the working paper "Taxation and migration by the super-rich" (A. Advani, D. Burgherr and A. Summers) at Tilburg University on 22 February 2023
Year(s) Of Engagement Activity 2023
URL https://www.tilburguniversity.edu/about/schools/economics-and-management/news-and-events/seminars/ec...
 
Description Taxation and migration by the super-rich talk at University of Cambridge 
Form Of Engagement Activity A talk or presentation
Part Of Official Scheme? No
Geographic Reach International
Primary Audience Postgraduate students
Results and Impact Arun Advani delivered a seminar based on the working paper "Taxation and migration by the super-rich" (A. Advani, D. Burgherr and A. Summers) at University of Cambridge on Monday 30th October 2023
Year(s) Of Engagement Activity 2023
URL https://www.econ.cam.ac.uk/seminars/seminars-michaelmas
 
Description The Guardian - Podcast - Non-doms are threatening to leave 
Form Of Engagement Activity A broadcast e.g. TV/radio/film/podcast (other than news/press)
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Public/other audiences
Results and Impact 07/05/2024 The Guardian - Podcast - Non-doms are threatening to leave. Should they be convinced to stay? https://www.theguardian.com/news/audio/2024/may/07/non-doms-are-threatening-to-leave-should-they-be-convinced-to-stay-podcast
Year(s) Of Engagement Activity 2024
URL https://www.theguardian.com/news/audio/2024/may/07/non-doms-are-threatening-to-leave-should-they-be-...
 
Description The Guardian view on taxing the rich: essential for economic fairness and growth | Editorial | The Guardian 
Form Of Engagement Activity A press release, press conference or response to a media enquiry/interview
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Public/other audiences
Results and Impact 14 October: The Guardian commends CenTax research in its editorial urging Chancellor Rachel Reeves to hold her nerve on reforming taxation of the wealthy: The Guardian view on taxing the rich: essential for economic fairness and growth | Editorial | The Guardian
Year(s) Of Engagement Activity 2024
URL https://www.theguardian.com/commentisfree/2024/oct/11/the-guardian-view-on-taxing-the-rich-essential...
 
Description The Independent - Rishi Sunak 'wedded' for too long to non-dom policy 
Form Of Engagement Activity A press release, press conference or response to a media enquiry/interview
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Public/other audiences
Results and Impact 3 March 2024: Rishi Sunak 'wedded' for too long to non-dom policy that has cost schools and hospitals £18bn, Labour says | The Independent
Year(s) Of Engagement Activity 2024
 
Description The Times: Dominic O'Connell cites non-dom findings in column 
Form Of Engagement Activity A press release, press conference or response to a media enquiry/interview
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Public/other audiences
Results and Impact 1 March 2024: The budget is a big deal, but all eyes will be on the OBR (thetimes.co.uk) - Dominic O'Connell cites Arun's non-dom findings in his column.
Year(s) Of Engagement Activity 2024
 
Description Treasury Select Committee evidence session 
Form Of Engagement Activity A formal working group, expert panel or dialogue
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Policymakers/politicians
Results and Impact On March 12, Arun Advani spoke at the Treasury Select Committee evidence session to provide his views. View the OBR and economists on the Spring Budget.
Year(s) Of Engagement Activity 2024
 
Description Who are the super-rich? The wealth and connections of the Sunday Times Rich List 
Form Of Engagement Activity Engagement focused website, blog or social media channel
Part Of Official Scheme? No
Geographic Reach International
Primary Audience Professional Practitioners
Results and Impact Over the past two years, while most households struggled with the pandemic and rising cost of living, the wealth of the very richest grew substantially. The top 250 individuals or families with strong ties to the UK, as recorded in the Sunday Times Rich List (STRL), saw their wealth rise by 25%. These individuals - who make up just 0.0005% of the adult population - have a combined net worth of £710 billion, roughly 4% of total wealth. Blog post based on research by Arun Advani, Andy Summers, and Hannah Tarrant
Year(s) Of Engagement Activity 2022
URL https://warwick.ac.uk/fac/soc/economics/research/centres/cage/news/28-07-22-who_are_the_super_rich_t...
 
Description Workshop on Tax Wealth and Migration 
Form Of Engagement Activity Participation in an activity, workshop or similar
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Professional Practitioners
Results and Impact 2 day workshop On March 25, Arun Advani hosted a two-day workshop on Tax Wealth and Migration where he presented a working paper (with Cesar Poux and Andy Summers) Top Flight: How responsive are top earners to tax rates
Year(s) Of Engagement Activity 2024
 
Description Workshop on Taxation and Migration at the International Inequalities Institute, London School of Economics 
Form Of Engagement Activity Participation in an activity, workshop or similar
Part Of Official Scheme? No
Geographic Reach International
Primary Audience Postgraduate students
Results and Impact Within the scope of the project, a workshop on Taxation and Migration was organized at the International Inequalities Institute, London School of Economics.
Year(s) Of Engagement Activity 2024
 
Description Yuan Yang MP mentioned Advani and Summers' work on on-doms during the Committee Stage of the Finance Bill 
Form Of Engagement Activity A formal working group, expert panel or dialogue
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Policymakers/politicians
Results and Impact 28 Jan - Yuan Yang MP mentioned Arun Advani and Andy Summers' work on on-doms during the Committee Stage of the Finance Bill (2024-25): Finance Bill 2024-25 Committee: MPs agree to abolish special regimes for non-doms and holiday lets
Year(s) Of Engagement Activity 2024
URL https://www.tax.org.uk/finance-bill-2024-25-committee-sittings-1-2