Moser, Petra; Voena, Alessandra - National Bureau of Economic Research <Cambridge, Mass.> - 2009
foreign patent owners. This paper uses an exogenous event of compulsory licensingafter World War I under the Trading with the … Enemy Act to examine the long run effects of compulsorylicensing on domestic invention. Difference-in-differences analyses … of nearly 200,000 chemical inventionssuggest that compulsory licensing increased domestic invention by at least 20 …