Research
Publications
Peer-reviewed papers
*Denotes authors listed in alphabetical order
*Whaley, Christopher, and Xiaoxi Zhao (2024). “The effects of physician vertical integration on referral patterns, patient welfare, and market dynamics.” Journal of Public Economics, 238, 105175.
Levin, J. S., Zhao, X., & Whaley, C. (2024). Impact of hospital-physician vertical integration on physician-administered drug spending and utilization. Health Economics, 1–23. https://doi.org/10.1002/hec.4909
Zhao, Xiaoxi, Michael R. Richards, Cheryl L. Damberg, and Christopher M. Whaley (2024). “Market Landscape and Insurer-Provider Integration: The Case of Ambulatory Surgery Centers.” Health Affairs Scholar, qxae081.
*Lin, Haizhen, Elizabeth L. Munnich, Michael R. Richards, Christopher M. Whaley, and Xiaoxi Zhao (2023). “Outside Equity and Healthcare Firm Behavior.” Journal of Health Economics, 91, 102801.
*Agha, Leila, Ericson, Keith, and Xiaoxi Zhao (2023). “The Impact of Organizational Boundaries on Healthcare Coordination and Utilization.” American Economic Journal: Economic Policy 15(3), 184-214.
*Chen, Alice, Michael Richards, Christopher Whaley, and Xiaoxi Zhao (2022). “The Extent Of Externalities From Medicare Payment Policy.” American Journal of Health Economics 8(2), 181-215.
Douven, Rudy, Lukas Kauer, Sylvia Demme, Francesco Paolucci, Wynand van de Ven, Jürgen Wasem, and Xiaoxi Zhao (2022). “Should administrative costs in health insurance be included in the risk-equalization? An analysis of five countries.” European Journal of Health Economics.
Whaley, Christopher, Xiaoxi Zhao, Michael Richards, and Cheryl Damberg (2021). “Higher Medicare Spending on Imaging and Lab Services After Physician Practice Vertical Integration.” Health Affairs 40(5), 702-709.
Min, Bonan, and Xiaoxi Zhao (2019). “Measure Country-Level Socio-Economic Indicators with Streaming News: An Empirical Study.” Proceedings of the 2019 Conference on Empirical Methods in Natural Language Processing and the 9th International Joint Conference on Natural Language Processing (EMNLP-IJCNLP), pp. 1249-1254.
Leng, Biao, Xiaoxi Zhao, and Zhang Xiong (2014). “Evaluating the Evolution of Subway Networks: Evidence from Beijing Subway Network.” EPL (Europhysics Letters), 105: 58004.
Leng, Biao, Jianyuan Wang, Xiaoxi Zhao, Jun Fang, and Zhang Xiong (2013). “Out Flow in A Virtual MTR Station Using A Local View Floor Field Model.” International Journal of Modern Physics C, 24: 1350037.
Zhao, Xiaoxi (2012). “Analysis of The Major Factors Affecting Macao’s Economy.” 2012 International Conference on Management Science Engineering 19th Annual Conference Proceedings, pp.970-976
Reports
Jodi L. Liu, Zachary M. Levinson, Annetta Zhou, Xiaoxi Zhao, PhuongGiang Nguyen, Nabeel Qureshi (2022). “Environmental Scan on Consolidation Trends and Impacts in Health Care Markets” https://www.rand.org/pubs/research_reports/RRA1820-1.html
Global Hospital Management Survey - China, Management in Healthcare Report, 2015.
Working in progress
“Raising the Stakes - Physician Facility Investments and Provider Agency,” with Elizabeth L. Munnich, Michael R. Richards, Christopher M. Whaley, May 2024. Conditional accepted, American Economic Review
“The Effect of Medical Loss Ratio Regulation on Insurer Pricing,” March, 2021.