Employment

Assistant Professor, Department of Economics, University of North Carolina at Chapel Hill, 2018 - present

Education

Ph.D. in Economics, University of Pennsylvania, 2018

M.A., Economics, Peking University, 2012

B.A., Economics, Peking University, 2010

My CV

Publications

Publications in Economics Journals

• Retention Effects of Employee Stock Options: Evidence from Bunching at Vesting Dates, with Hong Zhang and Li-An Zhou. Economic Development and Cultural Change, forthcoming. Online Appendix

• Detecting Potential Overbilling in Medicare Reimbursement via Hours Worked, with Hanming Fang. American Economic Review, 2017, 107(2). Online Appendix

  • Detecting Potential Overbilling in Medicare Reimbursement via Hours Worked: Reply, with Hanming Fang. American Economic Review, 2020, 110(12).  Online Appendix

• Polluting Thy Neighbor: Unintended Consequences of China's Pollution Reduction Mandates, with Hongbin Cai and Yuyu Chen. Journal of Environmental Economics and Management, 2016, 76(3).

Publications in Public Health and Medical Journals

• • Telehealth Payment Parity and Outpatient Service Utilization: Evidence from Privately Insured Workers, with Zhang Zhang, M Kate Bundorf, Christopher M Shea, Donna Gilleskie, and Sean Y Sylvia. Health Affairs Scholar, 2025, 3(4).

  • Spending Changes After Moving to Areas With Greater ACO Participation Among Nonattributed Medicare Beneficiaries, with Yucheng Hou, Marisa E. Domino, Valerie A. Lewis, Kevin Callison, Justin G. Trogdon. JAMA Network Open, 2025, 8(2).

  • The Role of Telehealth Payment Parity on Recommended Care and Emergency Department Service Utilization Among Workers With Chronic Conditions, with Zhang Zhang, M Kate Bundorf, Justin G. Trogdon, Donna Gilleskie, and Sean Y Sylvia. Medical Care, 2025.

  • Gender Composition in the Work Environment and Physician Income: Evidence from Longitudinal Data, with Xiaochu Hu. BMC Human Resources for Health, 2024, 22(81).

  • The Impact of Multimorbidity on Labor Force Participation Among the Middle-Aged and Older Working Population in the United States, with Zhang Zhang, Donna Gilleskie, Jeremy G Moulton, Sean Y Sylvia. Journal of Gerontology, 2024, 79(10).

Working Papers

• • Physician Learning and Treatment Choices: Evidence from Brain Aneurysms. 

  • Medicare on the Back Burner? Provider Labor Supply Responses to ACA-Driven Changes in Patient Payer Mix, with Min He, Lin Lin, and Bo Wang.

  • Ex Post Moral Hazard in Automobile Insurance Markets with Experience Rating. 

  • Financial Incentives and Inpatient Care: Evidence from a Randomized Physician Remuneration Reform, with Li Li and Xin Zhao. New draft coming soon.

Selected Work in Progress

• "Sorting, Upcoding, and the Elusive Learning Curve: The Case of Coronary Artery Bypass Grafts,” with Hanming Fang

• "Physician Learning and Experimentation Under Uncertainty: Evidence from the Early Months of COVID-19," with Xin Zhao

• “Medical debt and access to hospital care,” with Katsuhiko Nishiyama