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Erscheinungsjahr: 
2025
Schriftenreihe/Nr.: 
ADB Economics Working Paper Series No. 788
Verlag: 
Asian Development Bank (ADB), Manila
Zusammenfassung: 
Since the early 21st century, air quality concerns in the People's Republic of China (PRC) have garnered significant attention from both the public authorities and society. This study investigates the effects of digital environmental monitoring technology on air pollution. Specifically, we explore the data from government procurement of digital environmental monitoring technologies over the 2014-2019 period. The baseline results indicate that on average, each additional environmental contract per 100,000 residents signed by governments is associated with an 8-percentage point reduction in city PM2.5 levels. This effect arises from more accurate pollutant identification, which strengthens enforcement of environmental regulations, facilitating any necessary transition and, where applicable, orderly exit of heavily polluting enterprises, and fosters green innovation. Further, this effect exhibits regional variation in the extent of environmental concern and the level of information disclosure. The results suggest that technology-driven environmental governance, supported by public engagement and policy frameworks, plays a crucial role in enhancing air quality in the PRC.
Schlagwörter: 
digital environmental monitoring
PM2.5
public monitoring
information disclosure
JEL: 
O18
O33
Q50
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Dokumentart: 
Working Paper

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