Can directed technical change be used to combat climate change? We construct new firm-level panel data on auto industry innovation distinguishing between "dirty" (internal combustion engine) and "clean" (e.g. electric and hybrid) patents across 80 countries over several decades. We show that...

This paper investigates the impact of the EU Emissions Trading Scheme (EU ETS) on technological change. We exploit installations-level inclusion criteria to estimate the impact of the EU ETS on firms patenting. We find that the EU ETS has increased low-carbon innovation among regulated firms by...

This study proposes a new indicator of Climate Policy Uncertainty based on newspaper coverage frequency. The indicator currently includes 12 OECD Member Countries and covers the period 1990-2018. The index spikes near major political events and during major discussions around potentially...