Environmental policy design, innovation and efficiency gains in electricity generation

Nick Johnstone, Shunsuke Managi, Miguel Cárdenas Rodríguez, Ivan Haščič, Hidemichi Fujii and Martin Souchier

Energy Economics, 2017, vol. 63, issue C, 106-115

Abstract: This paper explores the relationship between environmental regulation, innovation, and competitiveness using environmental patent data. The analysis is conducted in two stages. First, a non-parametric frontier analysis is implemented to estimate efficiency scores, including a measure of technological innovation based on patent stocks. Second, econometric methods are applied to analyse the role of policy stringency and policy design on efficiency. Our estimation sample covers thermal power plant sectors in 20 countries from 1990 to 2009. The results show that the stringency of environmental regulations is a significant determinant of productive efficiency with respect to pollutant emissions as well as fuel use. However, these effects turn negative once the level of stringency leaps over a certain threshold. In addition, the paper concludes that the positive effect of regulatory stringency can be diminished by a negative effect of regulatory differentiation with measures which vary in stringency across plant size and age having negative consequences, and these effects are increasing over time. Finally, it is found that integrated approaches to environmental innovation are more likely to bring about efficiency improvements than end-of-pipe technologies.

Keywords: Technological innovation; Air pollution; Thermal power plant; Directional distance function model; Patent stock (search for similar items in EconPapers)
JEL-codes: L94 O31 Q53 Q55 (search for similar items in EconPapers)
Date: 2017
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (61)

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Working Paper: Environmental Policy Design, Innovation And Efficiency Gains In Electricity Generation (2016)
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Persistent link: https://EconPapers.repec.org/RePEc:eee:eneeco:v:63:y:2017:i:c:p:106-115

DOI: 10.1016/j.eneco.2017.01.014

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