Hanley, Douglas; Acemoglu, Daron; Akcigit, Ufuk; Kerr, … - Department of Economics, University of Pittsburgh - 2014
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 clean technology can be difficult both because clean research must climb … several steps to catch up with dirty technology and because this gap discourages research effort directed towards clean …