medRxiv preprint doi: https://doi.org/10.1101/2020.03.24.20042424; this version posted March 26, 2020. The copyright holder for this preprint (which was not certified by peer review) is the author/funder, who has granted medRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY-NC-ND 4.0 International license . Human Mobility Restrictions and the Spread of the Novel Coronavirus (2019-nCoV) in Chinay Hanming Fangz Long Wangx Yang Yang{ March 23, 2020 yWe are grateful to Jere Behrman, Xi Chen, Ming Li, Xincheng Qiu, Yao Zeng for useful comments and suggestions. All remaining errors are our own. zDepartment of Economics, University of Pennsylvania, Ronald O. Perelman Center for Political Sci- ence and Economics, 133 S. 36th Street, Philadelphia, PA, United States, 19104; and the NBER. Email:
[email protected]. xSchool of Entrepreneurship and Management, ShanghaiTech University, 393 Middle Huaxia Road, Shang- hai, 201210, China. Email:
[email protected]. {CUHK Business School, The Chinese University of Hong Kong, 12 Chak Cheung Street, Hong Kong SAR, China. Email:
[email protected]. NOTE: This preprint reports new research that has not been certified by peer review and should not be used to guide clinical practice. medRxiv preprint doi: https://doi.org/10.1101/2020.03.24.20042424; this version posted March 26, 2020. The copyright holder for this preprint (which was not certified by peer review) is the author/funder, who has granted medRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY-NC-ND 4.0 International license .