Title：
Pedaling to wellness: The impact of dockless bike-sharing services on physical and mental health in China
Author：
Xun Li，Congling Xia
Abstract：
This paper investigates the impact of dockless bike-sharing services (DBS), a key element of the sharing economy in China, on residents’ physical and mental well-being, as well as their social behaviors. Leveraging the phased introduction of DBS in Chinese cities between 2015 and 2020 and multiple data sets, we employ a staggered DID design with continuous treatment to evaluate the causal effects. We find that the introduction of DBS leads to a significant reduction in body mass index (BMI) and depression scores. These effects vary across individuals’ employment status, household physical capital and the geographic slope of cities. Additionally, we find that the entry of DBS increases the frequency and duration of exercise per week, while decreasing residents’ internet usage and online social interactions, indicating more active and offline social engagements. Our findings survive a battery of robustness checks. This study expands the discussion on the sharing economy beyond its economic and commercial impacts to highlight its social and health benefits, offering a fresh perspective on how the sharing economy contributes to sustainable urban development and the promotion of a healthy society.
标题：
骑行促进健康：无桩共享单车服务对中国居民身心健康的影响研究
中文摘要：
本文探讨了无桩共享单车服务——中国共享经济的关键组成部分——对居民身心健康及社会行为的影响。利用2015年至2020年间中国城市分批引入该服务的准自然实验，结合多源数据，我们采用连续处理的交错双重差分设计进行因果识别。研究发现，无桩共享单车的引入显著降低了居民的身体质量指数与抑郁评分。这些效应因个体的就业状况、家庭物质资本及城市地理坡度而异。此外，研究发现共享单车的投放增加了居民每周运动频率与持续时间，同时减少了其网络使用与线上社交活动，表明更积极的线下社会参与。上述结论通过了一系列稳健性检验。本研究将共享经济的讨论从经济与商业影响拓展至社会与健康效益，为理解共享经济如何促进可持续城市发展与健康社会建设提供了新的视角。
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