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 offers empirical evidence that real exchange rate volatility can have a signi.cant impact on the long-term rate of productivity growth, but the effect depends critically on a country's level of financial development. For countries with relatively low levels of financial development,...