“The reputation premium”: does hospital ranking improvement lead to a higher healthcare spending?

Jinyang Chen () and Chaoqun Wang ()
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Jinyang Chen: Renmin University of China
Chaoqun Wang: Central China Normal University

The European Journal of Health Economics, 2023, vol. 24, issue 5, No 11, 817-830

Abstract: Abstract Global health systems have often disclosed hospital quality and performance information via hospital ranking or rating programs over the last 20 years. This study aims to examine the relationship between hospital ranking and healthcare spending. Using the Basic Medical Insurance claims data from a big city in central China and the hospital ranking data from the Fudan Chinese Hospital League Table from 2016 to 2018, this study exploits the variation of hospital reputable ranking across hospitals and periods to employ the difference-in-differences (DiD) design. To alleviate the self-selection bias emerging from inpatients' selection of hospitals and the extrapolation bias emerging from the potential mis-specification of our linear model, we combine the DiD design with the 3-to-1 optimal Mahalanobis metric matching method. This study finds that ceteris paribus one hospital ascending from the Regional Famous Hospital Group to the National Famous Hospital Group significantly increases inpatients' total healthcare costs, reimbursement costs, and out-of-pocket costs by 5.9%, 6.2%, and 4.0%, respectively. Mechanism analysis reveals that it should be attributed more to physician moral hazard than patient willingness-to-pay. Leads and lags (event study) analysis validates our DiD identification framework and shows that the impact materializes slowly but significantly. In the robustness check, we transfer the outcome variables from the log value to the level value and control five digits of ICD-10 for the disease fixed-effects. The results are highly robust.

Keywords: Reputation premium; Hospital ranking; Hospital quality transparency; Healthcare spending; China (search for similar items in EconPapers)
JEL-codes: D23 D82 I11 I18 (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1007/s10198-022-01511-4

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