We construct a tractable general equilibrium model of cumulative innovation and growth, in which new ideas strictly … the rate of innovation, as well as a separate optimal required inventive step that maximizes welfare, with the former …

own innovation. The analysis predicts that the willingness to enforce IPR is U-shaped in a country GDP: small … enforcement of IPR yields a higher level of innovation and global welfare only if the developing country does not innovate. A …

This paper analyses the causal impact of Intellectual Property Rights (IPR) on pharmaceutical innovation in a panel of …. Domestic innovation is measured as citation-weighted domestic patents filed at the European Patent Office (EPO): to account for … to patent at the EPO. Results show that, in the short-run, IPR stimulate innovation. The effect for developing countries …

This paper analyzes the optimal protection strategy for an innovator of a complex innovation who faces the risk of … imitation by a competitor. We suppose that the innovation can be continuously fragmented into sub-innovations. We characterize … fraction of the innovation once. We also study the optimal dynamic patenting policy in a soft novelty regime, when the …

constraints or the promotion of follow-on innovation. …

may even reduce welfare. The reason is that it crowds out proprietary innovation which on net may reduce total innovation … in the long run. These effects would be reinforced if philanthropical innovation diverted people from other productive …

linked fields. Our analysis uses 1.8 million U.S. patents and their citation properties to map the innovation network and its … strength. Past innovation network structures are calculated using citation patterns across technology classes during 1975 … predictive power on future innovation after 1995. This pattern is consistent with the idea that when there is more past upstream …