Environmental and Resource Economics

, Volume 45, Issue 1, pp 133–155 | Cite as

Renewable Energy Policies and Technological Innovation: Evidence Based on Patent Counts

Article

Abstract

This paper examines the effect of environmental policies on technological innovation in the specific case of renewable energy. The analysis is conducted using patent data on a panel of 25 countries over the period 1978–2003. We find that public policy plays a significant role in determining patent applications. Different types of policy instruments are effective for different renewable energy sources. Broad-based policies, such as tradable energy certificates, are more likely to induce innovation on technologies that are close to competitive with fossil fuels. More targeted subsidies, such as feed-in tariffs, are needed to induce innovation on more costly energy technologies, such as solar power.

Keywords

Environmental policy Innovation Patents Renewable energy Technological change 

JEL Classifcation

Q55 Q58 O34 O38 

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Copyright information

© Springer Science+Business Media B.V. 2009

Authors and Affiliations

  1. 1.Empirical Policy Analysis UnitOECD Environment DirectorateParis Cedex 16France
  2. 2.The Maxwell SchoolSyracuse UniversitySyracuseUSA
  3. 3.NBERCambridgeUSA

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