时  间：May 11th (Friday), 12:30-14:00PM

地  点：Room 213, Shuishang Teaching Building

主  题：Does Environmental Regulation Induce Firm Green Innovation and Enhance Firm Competitiveness? Evidence from a Quasi-Natural Experiment in China

主讲人： Jingbo Cui 崔静波

Associate Professor in Economics at School of Economics and Management, Wuhan University

摘  要：  This paper studies whether environmental regulations induce firm innovation in environmentally friendly technologies and improve firm market values. The stringent environmental regulation implemented by the central government of China, known as “Two Control Zones” policy, aims to control SO2 and Acid Rain in targeted cities. The identification strategy employs a triple difference-in-difference method, comparing the regulation impacts on firm environmental patents and market values between the preand post-policy periods, between treated and non-treated cities, and between dirty and clean sectors. Our main findings suggest that the stringent environmental control spurs firm patent innovation in environmental technologies, but has little impact on innovation in general technological fields other than environmental areas. More importantly, in response to environmental pressures, the direction of technological changes is adjusted towards environmental areas, in particular, those cleaning up air pollutants. Some heterogeneity arises. The positive regulation effect is more pronounced in environmental patents in the category of invention rather than utility patents. Privately owned firms are more responsive to environmental pressures than their counterparts and redirect their innovation toward environmentally sound technologies. Finally, the stringent environmental regulation helps firm gain competitiveness in terms of the improvement of firm market values.

Keywords: Environmental Regulation, Green Patents, Innovation, Porter Hypothesis

报告人简介：

Dr. Jingbo Cui is an Associate Professor in Economics at School of Economics and Management, Wuhan University, China. He obtained the Ph.D. in Economics at Iowa State University, the United States, in 2012, and was a post-doctoral research associate and visiting scholar at the Iowa State University. His research expertise focuses on Environmental Economics and Economics of Innovation. His research has been appeared in top academic journals in the fields of environmental and resource economics and energy economics, such as American Economic Review Papers and Proceedings, American Journal of Agricultural Economics, and Energy Economics. He has been serving as referee for leading journals in environmental economics such as JEEM, JAERE, CER and many others. His current research on climate policy and the diffusion of low-carbon technology has been supported by the National Science Found of China.

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