表題番号:2019C-014 日付:2019/10/30
研究課題Cost,Length of Stay,and Health Outcome:A comprehensive evaluation of Prospective Payment System in Japan
研究者所属(当時) 資格 氏名
(代表者) 政治経済学術院 政治経済学部 講師 富 蓉
(連携研究者) Faculty of Political Science and Economics Professor Haruko Noguchi
(連携研究者) Graduate School of Economics PhD candicate Yichen Shen
研究成果概要
In 2003, Japan experienced a reform from the fee-for-service system to the blended payment system, a system where only some procedures within inpatient care are required to be paid with the prospective payment system. Exploiting the reform, we investigate the impact of the blended payment system on cost and health outcomes. Using 1997 to 2010 health insurance claims, we show that the blended payment system does not cost less than the fee-for-service system and induces health deteriorations. The deteriorations in health are moderate in comparison with the prospective payment system. The failure to contain cost and the deterioration of health is driven by providers' compensation seeking behaviors that cause a shift of procedures paid via prospective payment system to procedures paid via the fee-for-service system. Our findings point to further reform of the blended payment system to restrict provider incentive to seeking compensations.