›› 2020, Vol. 32 ›› Issue (1): 286-297.

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Can Air Pollution Collaborative Governance Promote Pollutant Emission Reduction?——A Difference-in-Difference-in-Difference Estimation across Cities

Zhao Zhihua1, Wu Jiannan2,3   

  1. 1. School of Public Policy and Administration, Xi'an Jiao Tong University, Xi'an 710049;
    2. China Institute for Urban Governance, Shanghai Jiao Tong University, Shanghai 200030;
    3. School of International and Public Affairs, Shanghai Jiao Tong University, Shanghai 200030
  • Received:2018-07-17 Online:2020-01-28 Published:2020-01-19

Abstract:

Air pollution has fluidity, with obvious cross-regional characteristics. Therefore, cooperative governance for air pollution is very important. Based on the panel data of 275 cities in mainland China from 2010-2015, this paper uses Difference-in-Difference-in-Difference (DDD) method to explore the effect of air pollution collaborative governance on the reduction of pollutant emission. The results of the whole sample analysis show that air pollution collaborative governance is negatively related with the emission of industrial sulfur dioxide and indus-trial soot, and this result can not pass the significant test. From the result of subsample analysis, air pollution collaborative governance is significantly negatively related with the emission of industrial sulfur dioxide, but it is not significantly related with the emission of industrial soot. Cities have differences in promoting emission reduction of different pollutants, and the pollutants with lower emission reduction diffi-culty are often given priority to be completed. Seeing from time effect, there is time lag for the influence of air pollution collaborative gov-ernance on the reduction of pollutant emission, and the time lag is different among various pollutants reduction.

Key words: air pollution, collaborative governance, policy effect, Difference-in-Difference-in-Difference(DDD)