Empirical analysis on the incidence of health insurance costs
| Project/Area Number |
25780184
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Public finance/Public economy
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| Research Institution | Hosei University (2014-2015)
Hitotsubashi University (2013) |
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Principal Investigator |
HAMAAKI Junya 法政大学, 経済学部, 准教授 (90572769)
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| Project Period (FY) |
2013-04-01 – 2016-03-31
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| Project Status |
Completed (Fiscal Year 2015)
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| Budget Amount *help |
¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2015: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2014: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2013: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
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| Keywords | 社会保険料の帰着 / 総報酬制 / 操作変数 / 健康保険組合の解散・合併 |
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| Outline of Final Research Achievements |
Empirical studies on the incidence of social security contributions in Japan have produced conflicting results. Against this background, the present study, using new panel data, examines the extent to which employers’ health insurance contributions have been shifted to employees through the adjustment of wages following a major reform of the way insurance contributions are calculated. The results indicate that a large part of employers’ contribution burden was shifted to employees, and that this tendency was particularly pronounced for health insurers with a large number of insurees. This finding is consistent with the view that labour supply in Japan is inelastic with regard to changes in wages. Further, the empirical results suggest that the increase in employers’ insurance burden following the reform was not passed on to employees immediately but rather over time through the gradual adjustment of wages.
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Report
(4 results)
Research Products
(3 results)
