Higher country taxes on noxious manufacturing emissions lead to substantial increases in firm R&D spending. The R&D response is driven entirely by the high-pollution firms most affected by emissions taxes. Pollution taxes increase the market value of R&D spending in polluting firms, even when...

Sweden was one of the first countries to introduce a carbon tax in 1991. We assemble a unique dataset tracking all CO2 emissions from the Swedish manufacturing sector to estimate the impact of carbon pricing on firm-level emission intensities. In panel regressions, spanning 26 years and around...