The effectiveness of environmental authoritarianism: Evidence from China's administrative inquiry for environmental protection

In order to improve China's environmental quality, the central government has strengthened the environmental responsibility of local governments, and adopted supervision tools such as environmental protection inquiries and inspections to promote local governments to be more proactive in environmental issues. In this paper, the global non-radial direction distance function (NDDF) and difference-in-difference (DID) method are used to analyze the impact of the environmental protection inquiry on energy-environmental efficiency. Specifically, taking energy, capital, and labor as input factors, regional GDP as desirable output, and sulfur dioxide, dust, and wastewater emissions as undesirable outputs, the unified energy-environmental efficiency index (UEEI) of each city has been estimated with the global NDDF method. The results show that UEEI in the eastern and central regions are relatively high, while that in the north and northeast regions are relatively low. On this basis, the impact of environmental protection inquiry on UEEI of each city is analyzed with the DID method. The results show that the environmental protection inquiry can significantly improve the energy-environmental efficiency of atmospheric pollutants, but the effect on energy-environmental efficiency of wastewater emission is not significant. (C) 2020 Elsevier B.V. All rights reserved.