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COVID-19 and Air Quality: Evidence from China
ABSTRACT To test the impact of the COVID-19 pandemic on air quality, this article matches the city-level real-time air quality monitoring data with the big data on population migration provided by
Environmental regulation, total factor productivity, and enterprise duration: Evidence from China
Environmental regulation has been confirmed to have an important impact on enterprise productivity, which is regarded as a crucial factor of enterprise duration. However, existing studies have paid
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