The performance of market based environmental regulation is affected by patents and vice versa. This interaction is … studied for a new type of innovation where new technologies reduce emissions of a specific pollutant but at the same time … cause a new type of damage. A robust finding is that the efficiency of permits is affected by monopoly pricing of the patent …

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 analyze the use of patent protection as a new policy to direct technical change to clean technology. Contrary to … popular belief, it is dirty (and not clean) innovations that should be excluded from patent protection to reduce emissions. In … the shortrun, removing patent protection on dirty technology increases emissions. However, the reduced markup on dirty …

When innovation is cumulative, early patentees hold claims against later innovators. Then potential hold-up may cause … may not be written ex ante. Moreover, the socially optimal division of profit occurs with weak patents and ex post …

innovation tournament, we find that the principal's expected cost of implementing a given expected output are always higher under … the tournament, even though this scheme may lead to more innovation …

innovation subsidy policies is less costly than increasing the price of the polluting good alone. Moreover, a discriminating … innovation subsidy policy is preferable to a non-discriminating one …