"Getting the prices right" is a good starting point but is not sufficient for achieving environmentally efficient outcomes. Other policy interventions are often necessary to complement pricing policies. Moreover, when pricing is not at all feasible, regulatory and command-and-control policies...

We develop a microeconomic model of endogenous growth where clean and dirty technologies compete in production and innovation. in the sense that research can be directed to either clean or dirty technologies. If dirty technologies are more advanced to start with, the potential transition to...