Transportation Research Part D: Transport and Environment ( IF 7.3 ) Pub Date : 2020-06-15 , DOI: 10.1016/j.trd.2020.102434 Stuart J. Barnes , Yue Guo , Rita Borgo
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The benefits and problems of sharing economy models have been debated heatedly in the literature. In this paper we investigate the introduction of ride-hailing services on pollution in the largest developing economy in the world, China. We use a difference-in-difference approach to longitudinally examine cities that introduced the Didi Chuxing service. Our results suggest that the announcement of the ride-hailing service led to a decrease in PM2.5 pollution in the month before service launch and in the early months of its introduction. However, this effect is temporary, as the growth in ride-hailing vehicles and a rapid increase in the number of overall trips gives way to an increase in vehicle pollution in this underdeveloped market. We conclude with implications of the research.
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