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Environmental regulation and innovation in renewable energy technologies : Does the policy instrument matter?

  • We examine how different renewable energy support policies affect innovation in solar and wind power technologies. The analysis uses policy and patent data for a large sample of 194 countries and territories. The policy data enables distinguishing between two dimensions of regulation, i.e. design and intensity, and their effects on innovation. The patent data is based on the new Y02E system and covers the period 1990 to 2016, with the more recent years revealing both strong increases and declines in patenting activity. The results show that, firstly, more comprehensive portfolios of renewable energy support policies increase patenting in solar- and wind-power-related technologies. Secondly, this inducement effect is strongest for public RD&D programs, targets, and fiscal incentives. In contrast to previous studies, this paper finds a consistently positive impact of feed-in tariffs and does not detect technology-specific differences in the effectiveness of this policy instrument. Thirdly, the positive effect on patenting activity increases significantly over time, with an increase in duration of the implemented RD&D programs and targets.

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Metadaten
Document Type:Article
Language:English
Author:Erik HilleORCiD, Wilhelm Althammer, Henning Diederich
Chairs and Professorships:Chair of Macroeconomics
DOI:https://doi.org/10.1016/j.techfore.2020.119921
Parent Title (English):Technological Forecasting and Social Change
ISSN:0040-1625
Volume:153
Issue:April 2020
Date of Publication (online):2020/01/21
Article Number:119921
Tag:Environmental regulation; Innovation; Renewable energy technologies; Solar technologies; Wind technologies
Content Focus:Academic Audience
Peer Reviewed:Yes
Rankings:AJG Ranking / 3
VHB Ranking / B
SJR Ranking / Q1
Licence (German):License LogoUrheberrechtlich gesch├╝tzt