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 …

innovation distinguishing between "dirty" (internal combustion engine) and "clean" (e.g. electric and hybrid) patents across 80 … tax-inclusive fuel prices. Furthermore, there is path dependence in the type of innovation both from aggregate spillovers … and from the firm's own innovation history. Using our model we simulate the increases in carbon taxes needed to allow …