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A Mechanism of Recession that Accompanies Persistent Pareto Inefficiency

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  • Harashima, Taiji

Abstract

Recessions are generated by various shocks. In particular, if fundamental shocks change the steady state, severe recessions will be generated. In this paper, I show that when such a shock occurs, it is possible for households to rationally select a Nash equilibrium consisting of a Pareto inefficient transition path to the new steady state in an economy in which households behave according to a procedure that is not based on the expected utilities discounted by the rate of time preference. They select this path because they are non-cooperative and risk averse and want to reach what I call the “maximum degree of comfortability” or MDC. The MDC mechanism behind choosing a Pareto inefficient path is basically the same as that in an economy in which households behave according to the usually assumed procedure based on the rational expectations hypothesis.

Suggested Citation

  • Harashima, Taiji, 2020. "A Mechanism of Recession that Accompanies Persistent Pareto Inefficiency," MPRA Paper 98468, University Library of Munich, Germany.
    • Handle: RePEc:pra:mprapa:98468
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    References listed on IDEAS

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    1. Marcet, Albert & Sargent, Thomas J., 1989. "Convergence of least squares learning mechanisms in self-referential linear stochastic models," Journal of Economic Theory, Elsevier, vol. 48(2), pages 337-368, August.
    2. Hall, R.E., 2016. "Macroeconomics of Persistent Slumps," Handbook of Macroeconomics, in: J. B. Taylor & Harald Uhlig (ed.), Handbook of Macroeconomics, edition 1, volume 2, chapter 0, pages 2131-2181, Elsevier.
    3. Peter N. Ireland, 2011. "A New Keynesian Perspective on the Great Recession," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 43(1), pages 31-54, February.
    4. Taiji Harashima, 2004. "A More Realistic Endogenous Time Preference Model and the Slump in Japan," Macroeconomics 0402015, University Library of Munich, Germany, revised 09 Feb 2004.
    5. Sergio Rebelo, 2005. "Real Business Cycle Models: Past, Present and Future," RCER Working Papers 522, University of Rochester - Center for Economic Research (RCER).
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    7. Harashima, Taiji, 2010. "Sustainable Heterogeneity: Inequality, Growth, and Social Welfare in a Heterogeneous Population," MPRA Paper 22521, University Library of Munich, Germany.
    8. Olivier Blanchard, 2009. "The State of Macro," Annual Review of Economics, Annual Reviews, vol. 1(1), pages 209-228, May.
    9. Thomas J. Sargent, 1973. "Rational Expectations, the Real Rate of Interest, and the Natural Rate of Unemployment," Brookings Papers on Economic Activity, Economic Studies Program, The Brookings Institution, vol. 4(2), pages 429-480.
    10. Lucas, Robert Jr., 1972. "Expectations and the neutrality of money," Journal of Economic Theory, Elsevier, vol. 4(2), pages 103-124, April.
    11. Harashima, Taiji, 2009. "Depression as a Nash Equilibrium Consisting of Strategies of Choosing a Pareto Inefficient Transition Path," MPRA Paper 18953, University Library of Munich, Germany.
    Full references (including those not matched with items on IDEAS)

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    More about this item

    Keywords

    Economic fluctuation; MDC-based procedure; Pareto inefficiency; Rational expectations hypothesis; Recession;
    All these keywords.

    JEL classification:

    • E00 - Macroeconomics and Monetary Economics - - General - - - General
    • E10 - Macroeconomics and Monetary Economics - - General Aggregative Models - - - General
    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles

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