, has emphasized the importance of patents as a primary driver of innovation. Recent improvements in empirical methodology … when patent rights have been too broad or strong, they have actually discouraged innovation. This paper summarizes the …

What is the optimal system of intellectual property rights to encourage innovation? Empirical evidence from economic … existence of strong patent laws encourage innovation? And 2) May patent laws influence the direction - as opposed to the rate … innovations in developing countries, discourage innovation in the developing countries? This essay summarizes results of existing …

that pools encourage innovation in pool technologies, albeit at the cost of innovation in substitutes. Empirical evidence … innovations by new firms for a historical pool in the sewing machine industry (1856-1877) to examine effects on innovation …. Contrary to theoretical predictions, this analysis suggests that pools may discourage innovation in pool technologies and shift …