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A numerical analysis of Japan's fiscal sustainability in a simple OLG model

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  • Real Arai
  • Masahiko Nakazawa

Abstract

We investigate the size of primary balance that can be sustained and the change in public debt and physical capital under transition dynamics in the Japanese economy. For our investigation, we construct a simple overlapping generations model. We find that a large primary surplus, 13.8-18.7% of GDP, is needed to prevent the public debt-to-GDP ratio from diverging infinitely. We also show that even if the large primary surplus can be maintained, the Japanese economy faces a sharp reduction in physical capital from 191 to 70.0% of GDP on the transition path.

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  • Real Arai & Masahiko Nakazawa, 2014. "A numerical analysis of Japan's fiscal sustainability in a simple OLG model," Applied Economics Letters, Taylor & Francis Journals, vol. 21(17), pages 1194-1197, November.
    • Handle: RePEc:taf:apeclt:v:21:y:2014:i:17:p:1194-1197
    DOI: 10.1080/13504851.2014.916382
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    References listed on IDEAS

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    1. Gary Hansen & Selahattin Imrohoroglu, 2016. "Fiscal Reform and Government Debt in Japan: A Neoclassical Perspective," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 21, pages 201-224, July.
    2. Chalk, Nigel A., 2000. "The sustainability of bond-financed deficits: An overlapping generations approach," Journal of Monetary Economics, Elsevier, vol. 45(2), pages 293-328, April.
    3. Daisuke Ishikawa & Junji Ueda & Real Arai, 2012. "Future Changes of the Industrial Structure due to Aging and Soaring Demands for Healthcare Services in Japan - an Analysis Using a Multi-Sector OLG Model in an Open Economy -," Discussion papers ron243, Policy Research Institute, Ministry of Finance Japan.
    4. Arai, Real & Ueda, Junji, 2013. "A numerical evaluation of the sustainable size of the primary deficit in Japan," Journal of the Japanese and International Economies, Elsevier, vol. 30(C), pages 59-75.
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    Cited by:

    1. Tomomi Miyazaki & Kazuki Onji, 2017. "The Sustainability of Japan's Government Debt: A Review," Discussion Papers 1716, Graduate School of Economics, Kobe University.

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