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Will Policy Uncertainty Deteriorate Haze Pollution? A Spatial Spillover Perspective.
International Journal of Environmental Research and Public Health
|October 13, 2021
Summary
Policy uncertainty worsens haze pollution in China, affecting local and surrounding areas. Central government policies can mitigate some effects, but direct impacts persist due to the nature of policy uncertainty.
Area of Science:
- Environmental Science
- Economics
- Public Policy
Background:
- Haze pollution poses significant challenges to air quality, public health, and economic development in China.
- Understanding the drivers of haze pollution is crucial for effective environmental management.
Purpose of the Study:
- To investigate the direct and spatial spillover effects of policy uncertainty on haze pollution in China.
- To analyze the influence of local and central government policies on mitigating haze pollution.
Main Methods:
- Utilized prefecture-level data from 2004 to 2016.
- Employed a spatial panel model to analyze direct and spatial spillover effects.
Main Results:
- Policy uncertainty was found to increase local haze pollution and exert a significant spatial spillover effect on surrounding areas.
- The impact of local policy uncertainty on haze pollution extended to geographically adjacent cities within the same province, influenced by economic proximity.
- Central government policies demonstrated effectiveness in alleviating the spatial spillover effects of local policy uncertainty on haze pollution.
Conclusions:
- Policy uncertainty is a significant contributor to haze pollution in China, with both local and spatial dimensions.
- While central policies can mitigate some impacts, the inherent nature of policy uncertainty limits its complete elimination.
- Further research into policy design and implementation is needed to address the persistent direct effects of policy uncertainty on environmental quality.
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