E196D5C4-5823-4775-A40D-54F78441E806Centre for Economic Performance 2010-2015Research GrantES/H02123X/1924BE15C-91F2-4AAD-941A-3F338324B6AEESRCINCOME_ACTUAL6554658A6335191-A5C6-4D76-8AE3-4E85EA4F80FFA Trapped-Factors Model of InnovationAmerican Economic Reviewb1ed251bd911a0d8795fa2e36d7f31faBloom N2013-01-01http://dx.doi.org/10.1257/aer.103.3.208http://dx.doi.org/10.1257/aer.103.3.2083Journal Article/Review545a64159bc593.99694055