theoretical predictions. Patents and subsidies increase investment in R&D and the observed amounts of investment in the patent and …

We study the effect of the fragmentation of intellectual property rights on optimal patent design. The major finding is …, which is socially costly. However, to preserve the incentives to innovate, if a patent is granted the strength of protection … should be generally higher than in the stand-alone case. -- Intellectual Property Rights ; Fragmentation ; Patent …

Climate Change ; Mitigation Technologies ; Patent Data …