Production often causes pollution as a by-product. Once pollution problems become too severe, regulation is introduced by political authorities which forces the economy to make a transition to cleaner production processes. We model this transition as a change in general purpose technology (GPT)...

There is widespread concern that an international agreement on stringent climate policies will not be reached because it would imply too high costs for fast growing economies like China. To quantify these costs we develop a general equilibrium model with fully endogenous growth. The framework...

Investment in innovation in industrialized economies increasingly is taken over by large firms that operate their own R&D divisions and transform technological change into a routine bureaucratized process. Powerful competitive forces require firms to do this for survival. But such routinized...