Policy-induced Innovation in Clean Technologies: Evidence From the Car Market

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Abstract

This article tests the effects of fuel economy and greenhouse gas emission standards on the direction of innovation, in particular on breakthrough technologies in the automotive industry. We develop an intuitive measure of standard stringency that captures the policy’s most important features for the decision as to whether or not to innovate. To test the role of these standards relative to prices and taxes, we construct a firm-level panel of patents in clean and dirty automotive technologies for the years 2000-2016. Our results indicate that standards are a very robust driver inducing clean innovation, whereas taxes also seem to play a role but prices (net of taxes) do not. This effect is driven by patenting for breakthrough technologies, in particular electric vehicle and
hydrogen fuel cell technologies. We find no evidence that these policies negatively impact dirty innovation.
Original languageEnglish
Place of PublicationTilburg
PublisherCESifo Working Papers
Number of pages73
Publication statusPublished - Oct 2021

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