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 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...

Proponents of stronger copyright terms have argued that stronger copyright terms encourage creativity by increasing the profitability of authorship. Empirical evidence, however, is scarce, because data on the profitability of authorship is typically not available to the public. Moreover at...