Bosetti, Valentina; Carraro, Carlo; Massetti, Emanuele; … - 2007
economic growth; hence, any better understanding of the process of technological innovation is likely to increase our knowledge …&D international spillovers.The basic questions are as follows. Do knowledge spillovers enhance energy technological innovation in … different regions of the world? Does the speed of innovation increase? Or do free-riding incentives prevail and international …