The European Union Emissions Trading Scheme (EU ETS) has aimed to encourage the development of low-carbon technologies by putting a price on carbon emissions. Using a newly constructed data set that links 8.5 million European companies with their patenting history and their regulatory status...

Environmental regulations have consistently been found to spur innovation in "clean" technologies, with one significant exception. Past cap-and-trade programs have encouraged adoption of existing pollution control technologies, but had little effect on innovation. Several explanations have been...

Carbon leakage is an issue of major interest in both academic and policy debates about the effectiveness of unilateral climate policy addressing global externalities. The debate is particularly salient in Europe, where the EU Emissions TradingSystem (EU ETS) covers emissions of many traded...

Carbon taxes are commonly seen as a rational policy response to climate change, but little is known about their performance from an ex-post perspective. This paper analyzes the emissions and cost impacts of the UK CPS, a carbon tax levied on all fossil-fired power plants. To overcome the problem...

We estimate the effect of the staggered adoption of carbon pricing policies across the globe between 1990 and 2017 on per capita CO2 emissions from fossil fuel combustion. Applying recent econometric techniques robust to treatment effect heterogeneity, we find reductions of 8 to 12 percent. Our...

We examine the impacts of China’s unconventional emission trading system (ETS), a rate-based tradable performance standard (TPS), on firm competitiveness. Our analysis takes advantage of the quasi-natural experiment created by China's regional ETS pilots and firm-level data on innovation and...

Using China’s regional carbon market pilots as a natural experiment, we examine the impacts of the emission trading system (ETS) on firms’ innovation and competitiveness. We show that the ETS directs innovation towards climate-friendly technologies; it increases the climate patent ratio by...