Can the health insurance reforms stop an increase in medical expenditures for middle- and old-aged persons in Japan?
AbstractUsing two-period panel data from the Nippon Life Insurance Research Institute, this paper tests the hypothesis that an increase in the self-pay ratio of medical expenditures associated with the Japanese health insurance reforms of April 2003 reduced household medical expenditures. We find that the increase in the self-pay ratio had a positive but insignificant effect on the share of medical expenses in household expenditure. However, when we employ the data as repeated cross-sectional observations to increase the sample size, the increase in the self-pay ratio has a significantly positive effect on the share of medical expenditures. This provides corroborating evidence that middle- and old-aged persons were unable to reduce their demand for medical services with the increase in the self-pay ratio. An additional finding is that medical services are a necessary good, particularly for those aged 61 years or older and those with medical expenditures accounting for a relatively high share of medical expenditures in high household expenditure.
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Bibliographic InfoPaper provided by Osaka University, Graduate School of Economics and Osaka School of International Public Policy (OSIPP) in its series Discussion Papers in Economics and Business with number 10-13-Rev.
Length: 35 pages
Date of creation: Apr 2010
Date of revision: Dec 2011
Health insurance; Medical expenditures; Engle curve; Middle- and old-aged persons; Japan;
Other versions of this item:
- Tamie Matsuura & Masaru Sasaki, 2012. "Can the health insurance reforms stop an increase in medical expenditures for middle- and old-aged persons in Japan?," International Journal of Health Care Finance and Economics, Springer, vol. 12(2), pages 163-187, June.
- I11 - Health, Education, and Welfare - - Health - - - Analysis of Health Care Markets
- I18 - Health, Education, and Welfare - - Health - - - Government Policy; Regulation; Public Health
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