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Public Debt and the Macroeconomic Stability of Japan

  • Keigo Kameda

    (PRI)

  • Masao Nakata

Recently, the outstanding debt of the Japanese government amounts to 695 trillion yen, which implies 139.5% of GDP. In this paper, we constructed three IS-LM type dynamic models and estimate the eigenvalues of their differential systems. Then we confirm whether or not the huge amount of public debt violates the stability conditions for the Japanese economy. Our estimation concludes the Japanese economy to be unstable with the existence of a saddle-point equilibrium. Our simulation also shows that severe tax reform would be required to restore the economic stability. Concretely, the government has to raise the consumption tax rate to 15% from 5%, and in addition, allowing the income elasticities of income taxes and inhabitant taxes to increase by 0.033 each, which is equivalent to tax hikes of about 8.3 trillion yen. We assert that structural reform for the government budget including a tax system is essential and emergent.

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Paper provided by East Asian Bureau of Economic Research in its series Macroeconomics Working Papers with number 22603.

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Date of creation: Jan 2005
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Handle: RePEc:eab:macroe:22603
Contact details of provider: Postal: JG Crawford Building #13, Asia Pacific School of Economics and Government, Australian National University, ACT 0200
Web page: http://www.eaber.org

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  1. Hamilton, James D & Flavin, Marjorie A, 1986. "On the Limitations of Government Borrowing: A Framework for EmpiricalTesting," American Economic Review, American Economic Association, vol. 76(4), pages 808-19, September.
  2. Barro, Robert J., 1974. "Are Government Bonds Net Wealth?," Scholarly Articles 3451399, Harvard University Department of Economics.
  3. Turnovsky,Stephen J., 1977. "Macroeconomic Analysis and Stabilization Policy," Cambridge Books, Cambridge University Press, number 9780521291873.
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