The effect of health insurance reimbursement rates on middle-aged and elderly people’s hospital choices: evidence from China

Biao Li, Xiang Liang and Xiulin Qi ()
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Biao Li: Zhengzhou University
Xiang Liang: Xiamen University
Xiulin Qi: Northeast Forestry University

Health Economics Review, 2025, vol. 15, issue 1, 1-20

Abstract: Abstract Background Adjusting the health insurance reimbursement rate is essential to optimize the allocation of medical resources. This paper investigates the effect of health insurance reimbursement rates on middle-aged and elderly people’s choice of hospitals in China. Methods This study is conducted using the China Health and Retirement Longitudinal Study (CHARLS) database. This paper uses the widely used ordered logit model for estimation. We build three types of instrumental variables, Bartik instrumental variable, per capita financial income, and health risk perception bias, with the help of the propensity score matching method, aiming at the cleanest possible identification of causal relationship. Furthermore, we use a mediating effects model to investigate the specific mechanism by which the reimbursement rate influences patients’ choice of hospitals. Results Our findings reveal that the higher a hospital’s reimbursement rate, the more likely a patient is to choose to seek care. This paper further calculates the marginal effects based on the benchmark regression. For every 1% increase in health insurance reimbursement rates, the probability of patients choosing primary hospitals decreases by 5.75%, choosing secondary hospitals decreases by 1.47%, and choosing tertiary hospitals increases by 7.22%. According to mechanistic analysis, this paper reveals for the first time that health signals from medical checkups significantly impact patients’ health care choices. In addition, we discuss the heterogeneity of hospital choices by region, age, and health status. Conclusions The results mean that when individuals are faced with a multitude of hospitals and are overwhelmed with choices, some small institutional designs can act as a nudge to help policymakers achieve a desirable outcome. The government should fully utilize health insurance’s benefit adjustment role and implement a differentiated reimbursement strategy.

Keywords: Health insurance; Reimbursement rate; Middle-aged and elderly people; Hospital choice (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1186/s13561-025-00606-x

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