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 …

dirty innovation and production; (ii) optimal policy involves both .carbon taxes. and research subsidies, so that excessive … the switch to clean innovation under laissez-faire when the two inputs are substitutes. Under reasonable parameter values …

contractible or when we preclude cooperation in long-term relationships, (ii) the rate of innovation in the cooperative equilibrium … period). In that case, for sufficiently slow diffusion, the innovation rate in the cooperative equilibrium may be higher than …

This Paper develops a framework for testing discrete complementarities in innovation policy using European data on … obstacles to innovation. We propose a discrete test of supermodularity in innovation policy leading to a number of inequality … constraints. We apply our test to two types of innovation decisions: to innovate or not, and if so, by how much. We find that …

Community Innovation Survey (CIS) data for 14 European countries. Our model incorporates three groups of variables which could … firm, the second group measures different innovation activities and the third group describes the internationalisation of …