Guangyu Cao , Li-An Zhou , Chang Liu , Jingxin Zhou
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The effects of the entries by bike-sharing platforms on urban air quality
We study the effects of bike-sharing usage on urban air quality in China. Our Difference-in-Differences strategy exploits the staggered entries by two leading bike-sharing companies, ofo and Mobike, and utilizes city-day panel data. We find that the entries of the two bike-sharing platforms can reduce PM2.5 by 3.832 μg/m3. Further analyses imply that the effects are more conspicuous on pollutants from the exhaust emission of vehicles, increase with the usage intensity of bike-sharing service, and are more pronounced in cities with well-developed rail transit or those located in the Beijing-Tianjin-Hebei Air Pollution Transmission Channel.
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