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Population growth, saving, interest rates and stagnation

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  • Peter Spahn

Abstract

Post Keynesian stagnation theory argues that slower population growth dampens consumption and investment. A New Keynesian OLG model derives an unemployment equilibrium due to a negative natural rate in a three-generations credit contract framework. Besides deleveraging or rising inequality, also a shrinking population is a triggering factor. In all cases, a saving surplus drives real interest rates down. In other OLG settings however, with bonds as stores of value, slower population growth, on the contrary, causes a lack of saving and thus rising rates. Moreover, the recent fall in market interest rates was brought about by monetary factors.

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  • Peter Spahn, 2016. "Population growth, saving, interest rates and stagnation," ROME Working Papers 201603, ROME Network.
    • Handle: RePEc:rmn:wpaper:201603
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    References listed on IDEAS

    as
    1. Gauti B. Eggertsson & Neil R. Mehrotra, 2014. "A Model of Secular Stagnation," NBER Working Papers 20574, National Bureau of Economic Research, Inc.
    2. Dorrucci, Ettore & McKay, Julie, 2011. "The international monetary system after the financial crisis," Occasional Paper Series 123, European Central Bank.
    3. Paul A. Samuelson, 1958. "An Exact Consumption-Loan Model of Interest with or without the Social Contrivance of Money," Journal of Political Economy, University of Chicago Press, vol. 66, pages 467-467.
    4. Dorrucci, Ettore & McKay, Julie, 2011. "The international monetary system after the financial crisis," Occasional Paper Series 123, European Central Bank.
    5. Altmann, Markus & Bartzsch, Nikolaus, 2014. "Der Transaktionskassenbestand von Euro-Münzen in Deutschland [The volume of euro coins held for transaction purposes in Germany]," MPRA Paper 59545, University Library of Munich, Germany.
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    Full references (including those not matched with items on IDEAS)

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    More about this item

    Keywords

    overlapping generations; zero lower bound; deflation equilibrium; natural versus market interest rates;
    All these keywords.

    JEL classification:

    • E12 - Macroeconomics and Monetary Economics - - General Aggregative Models - - - Keynes; Keynesian; Post-Keynesian; Modern Monetary Theory
    • E21 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Consumption; Saving; Wealth
    • E43 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Interest Rates: Determination, Term Structure, and Effects
    • J11 - Labor and Demographic Economics - - Demographic Economics - - - Demographic Trends, Macroeconomic Effects, and Forecasts

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