Carbon leakage is one of the major issues facing policymakers today when designing environmental regulation. While the empirical and trade literature on carbon leakage is rich, much less is known about the implications of carbon leakage risk on optimal regulatory policies under asymmetric...

We construct a model of innovation incorporating R&D externalities, R&D participation, financial market imperfections, and application and allocation of R&D subsidies, estimate it using Finnish R&D project level data and conduct a welfare analysis. The intensive, not the extensive R&D margin is...