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The Impact of the Social Security Reforms on Welfare: Who benefits and Who loses across Generations, Gender, and Employment Type?

Hirokuni Iiboshi and Daisuke Ozaki

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Abstract: We quantitatively explore the impact of social security reforms in Japan, which is facing rapid aging and the highest government debt among developed countries, using an overlapping generations model with four types of agents distinguished by gender and employment type. We find that introducing social security reforms without extending the retirement age raises the welfare of future generations, while reforms with rising copayment rates for medical and long-term care expenditures, in particular, significantly lowers the welfare of low-income groups (females and part-timers) of the current retired and working generations. In contrast, reforms reducing the pension replacement rate lead to a greater decline in the welfare of full-timers. The combination of these reforms and the extension of the retirement age is expected to improve the welfare of the current working generations by 2--9 % over the level without reforms.

Date: 2022-05, Revised 2022-10
New Economics Papers: this item is included in nep-age, nep-dge, nep-ias and nep-pbe
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Handle: RePEc:arx:papers:2205.08042