Environmental innovation and environmental performance

Research output: Contribution to journalArticlepeer-review

376 Scopus citations


By estimating a simultaneous panel data model of environmental innovation and toxic air pollution, this paper identifies bi-directional causal links between the two. We study a panel of 127 manufacturing industries over the period 1989-2004. Pollutant emissions are an implicit measure of policy stringency and environmental patent counts are used to measure environmental innovation. After accounting for the joint endogeneity, we find that environmental innovation is an important driver of reductions in US toxic emissions. Conversely, we find that tightened pollution targets induce environmental innovation. However, our estimates indicate that the "environmental policy multiplier" - the proportionate contribution of induced innovation to long-run emission reduction - is small.

Original languageEnglish (US)
Pages (from-to)27-42
Number of pages16
JournalJournal of Environmental Economics and Management
Issue number1
StatePublished - Jan 2010
Externally publishedYes


  • Dynamic and count panel data models
  • Environmental innovation
  • Pollution standards

ASJC Scopus subject areas

  • Economics and Econometrics
  • Management, Monitoring, Policy and Law


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