Impact of Carbon Emission Trading Policy on Green Innovation Behavior of High-energy Consuming Enterprises Based on Difference-in-Difference Model and PSM-DID

Authors

  • Junjun Shi School of Mathematics and Statistics, Cangzhou Normal University, Cangzhou, 061001, China
  • Fengzhan Zhu School of Mathematics and Statistics, Cangzhou Normal University, Cangzhou, 061001, China

DOI:

https://doi.org/10.13052/spee1048-5236.4529

Keywords:

Difference-In-Difference, PSM-DID, CET policy, Green innovation, High energy consuming enterprises

Abstract

Affected by global climate change, the carbon emission trading policy, as a vital market-based environmental regulatory tool, plays a crucial role in promoting carbon reduction. To explore the impact of this policy on the green innovation quality of high-energy-consuming enterprises, this study combines the difference-in-difference model with propensity score matching to conduct an empirical analysis. Propensity score matching results show that the covariate balance between the treatment group and control group is significantly improved, verifying the reliability of the sample matching. The core explanatory variable Treat*P has a positive and significant coefficient at the 1% level, indicating that high-energy-consuming enterprises in pilot areas tend to adopt high-value green innovation strategies after implementing the Carbon Emission Trading policy. This study reveals the net effect of the carbon emission trading policy on enterprises’ green innovation behavior, provides a theoretical basis for optimizing the Carbon Emission Trading mechanism, and offers practical references for promoting the green transformation of high-energy-consuming industries.

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Author Biographies

Junjun Shi, School of Mathematics and Statistics, Cangzhou Normal University, Cangzhou, 061001, China

Junjun Shi obtained her Bachelor’s degree in Economics from the Business School of Shaanxi Normal University, Xi’an, China in 2011. She obtained her Master’s degree in Applied Economics from Hunan University, Changsha, China in 2014. Presently, she is working as a Lecturer in the School of Mathematics and Statistics at Cangzhou Normal University, Cangzhou, China. Her areas of interest are national economy and economic statistics.

Fengzhan Zhu, School of Mathematics and Statistics, Cangzhou Normal University, Cangzhou, 061001, China

Fengzhan Zhu obtained his Master’s degree in Management from Northwest A&F University, Yangling, China in 2010. He obtained his PhD in Economics from Capital University of Economics and Business, Beijing, China in 2025. Presently, he is working as a Associate Professor in the Department of Mathematics and Statistics at Cangzhou Normal University, Cangzhou, China. His areas of interest are statistical analysis, regional economy, and income distribution.

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Published

2026-04-20

How to Cite

Shi, J. ., & Zhu, F. . (2026). Impact of Carbon Emission Trading Policy on Green Innovation Behavior of High-energy Consuming Enterprises Based on Difference-in-Difference Model and PSM-DID. Strategic Planning for Energy and the Environment, 45(02), 505–530. https://doi.org/10.13052/spee1048-5236.4529

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