Top-up Design and Health Care Expenditure: Evidence from Cardiac Stents

Ginger Zhe Jin, Hsienming Lien () and Xuezhen Tao

No 28107, NBER Working Papers from National Bureau of Economic Research, Inc

Abstract: Since 2006, Taiwan's National Health Insurance (NHI) has covered the full cost of baseline treatment in cardiac stents (bare-metal stents, BMS). Still, it requires patients to pay the incremental cost of more expensive treatments (drug-eluting stents, DES). Within this “top- up” design, we study how hospitals responded to a 26% cut of the NHI reimbursement rate in 2009. We find that hospitals that were more revenue reliant on cardiac patients increased BMS usage per stent patient by 0.05 or 6% but not DES usage. In addition, while the average of DES prices remains almost unchanged, minor teaching hospitals that were more revenue reliant on cardiac patients raised the DES price by 12.6%, and therefore could recoup at most 32.7% of the revenue loss from the NHI rate cut in 2009-2010. Overall, the rate cut was effective in reducing NHI expenditure without any substantial changes in patient outcomes, although some minor teaching hospitals made moral hazard adjustments in response.

JEL-codes: G22 I11 I18 (search for similar items in EconPapers)
Date: 2020-11
New Economics Papers: this item is included in nep-hea and nep-ias
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