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Equilibrium Determinacy in a Two-Tax System with Utility from Government Expenditure


  • Fujisaki, Seiya


We analyse the relationship between two kinds of tax and equilibrium determinacy in an economy with government expenditure used for utility. We assume that the income tax rate depends on the level of income itself and that the tax rate of consumption is constant. This describes a realistic tax system which resonates in many countries. Our model complements similar extant research, but we extend the literature by theoretically showing that the expansion of policy types can decrease the risk of instability when one condition slightly changes.

Suggested Citation

  • Fujisaki, Seiya, 2017. "Equilibrium Determinacy in a Two-Tax System with Utility from Government Expenditure," MPRA Paper 81214, University Library of Munich, Germany.
  • Handle: RePEc:pra:mprapa:81214

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    References listed on IDEAS

    1. Guo, Jang-Ting & Lansing, Kevin J., 1998. "Indeterminacy and Stabilization Policy," Journal of Economic Theory, Elsevier, vol. 82(2), pages 481-490, October.
    2. Chen, Shu-Hua & Guo, Jang-Ting, 2014. "Progressive taxation and macroeconomic (in)stability with utility-generating government spending," Journal of Macroeconomics, Elsevier, vol. 42(C), pages 174-183.
    3. McKnight, Stephen, 2017. "Are Consumption Taxes Preferable To Income Taxes For Preventing Macroeconomic Instability?," Macroeconomic Dynamics, Cambridge University Press, vol. 21(04), pages 1023-1058, June.
    4. Mauro Bambi & Alain Venditti, 2016. "Time-varying Consumption Tax, Productive Government Spending, and Aggregate Instability," Discussion Papers 16/01, Department of Economics, University of York.
    5. Kamiguchi, Akira & Tamai, Toshiki, 2011. "Can productive government spending be a source of equilibrium indeterminacy?," Economic Modelling, Elsevier, vol. 28(3), pages 1335-1340, May.
    6. Jang-Ting Guo & Sharon G. Harrison, 2008. "Useful Government Spending and Macroeconomic (In)stability under Balanced-Budget Rules," Journal of Public Economic Theory, Association for Public Economic Theory, vol. 10(3), pages 383-397, June.
    7. Takeo Hori & Noritaka Maebayashi, 2013. "Indeterminacy and utility-generating government spending under balanced-budget fiscal policies," Discussion Papers in Economics and Business 13-13, Osaka University, Graduate School of Economics and Osaka School of International Public Policy (OSIPP).
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    More about this item


    equilibrium determinacy; progressive income tax rate; consumption tax; government expenditure on utility.;

    JEL classification:

    • E62 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Fiscal Policy

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