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A politically feasible social security reform with a two-tier structure

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  • Yamada, Tomoaki

Abstract

This paper investigates the welfare implications and political feasibility of social security reforms with a two-tier structure in Japan. We evaluate social security reforms from two points of view: (i) the ex-ante expected value of future generations, and (ii) whether current generations prefer reform to the status-quo system, which we call political feasibility. To evaluate the reforms, we use a large-scale overlapping generations model with idiosyncratic income risk and a two-tier structure. The first tier guarantees a basic pension and the second tier consists of the earnings-related part. Calibrating the parameters of the model to the Japanese economy, we compute the transition path and the two welfare criteria. We find that, given the two-tier structure in Japan, an increase in the basic pension and the abolition of the earnings-related part of the social security system improve the welfare of future generations, and ensures political feasibility when a consumption tax is the source of revenue.

Suggested Citation

  • Yamada, Tomoaki, 2011. "A politically feasible social security reform with a two-tier structure," Journal of the Japanese and International Economies, Elsevier, vol. 25(3), pages 199-224, September.
  • Handle: RePEc:eee:jjieco:v:25:y:2011:i:3:p:199-224
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    Cited by:

    1. KITAO Sagiri, 2016. "When Do We Start? Pension reform in aging Japan," Discussion papers 16077, Research Institute of Economy, Trade and Industry (RIETI).
    2. Akira Okamoto, 2013. "Welfare Analysis of Pension Reforms in an Ageing Japan," The Japanese Economic Review, Japanese Economic Association, vol. 64(4), pages 452-483, December.
    3. Gahramanov, Emin & Tang, Xueli, 2013. "A mixed blessing of lifespan heterogeneity," Journal of the Japanese and International Economies, Elsevier, vol. 29(C), pages 142-153.
    4. Akira Okamoto, 2013. "Simulating Public Pension Reforms in an Aging Japan: Welfare Analysis with LSRA Transfers," Public Policy Review, Policy Research Institute, Ministry of Finance Japan, vol. 9(4), pages 597-632, September.
    5. Kitao, Sagiri, 2015. "Fiscal cost of demographic transition in Japan," Journal of Economic Dynamics and Control, Elsevier, vol. 54(C), pages 37-58.
    6. HSU Minchung & YAMADA Tomoaki, 2017. "Population Aging, Health Care, and Fiscal Policy Reform: The challenges for Japan," Discussion papers 17038, Research Institute of Economy, Trade and Industry (RIETI).
    7. repec:bla:jecrev:v:68:y:2017:i:1:p:26-47 is not listed on IDEAS

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