Dechezleprêtre, Antoine; Glachant, Matthieu; Hascic, Ivan - HAL - 2011
distribution and global diffusion of inventions in thirteen climate-mitigation technologies since 1978. The data suggest that until … 1990 innovation was driven mostly by energy prices. Since then, environmental policies, and, more recently, climate … policies, have accelerated the pace of innovation. The data also indicate that innovation is highly concentrated in three …