of the receiving country. We test the empirical implications of our model using patent data in renewable and fossil … Moment estimator. We show that knowledge transfer through patent duplication increases with the level of IPR protection, but … more sensitive to uncertainty. Commitment to EPs also increases the incentives for patent duplication. The magnitude of the …

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 …