This paper exploits exogenous variation in the adoption of copyrights - as a result of the timing of Napoléon's military victories in Italy - to examine the effects of copyrights on creativity. To measure changes in creative output we compare changes in the creation of new operas across states...

Historical accounts suggest that the arrival of German Jewish émigrés who fled the Nazi regime revolutionized U.S. science and innovation. This paper presents the first systematic analysis of the émigrés' effects on U.S. innovation. Difference-in-differences analyses compare changes in...

Historical accounts suggest that Jewish émigrés from Nazi Germany revolutionized U.S. science. To analyze the émigrés' effects on chemical innovation in the U.S. we compare changes in patenting by U.S. inventors in research fields of émigrés with fields of other German chemists. Patenting...