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Money and production, and liquidity trap

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  • Pradeep Dubey
  • John Geanakoplos

Abstract

We prove the existence of monetary equilibrium in a finite horizon economy with production. We also show that if agents expect the monetary authority to significantly decrease the supply of bank money available for short‐term loans in the future, then the economy will fall into a liquidity trap today.

Suggested Citation

  • Pradeep Dubey & John Geanakoplos, 2006. "Money and production, and liquidity trap," International Journal of Economic Theory, The International Society for Economic Theory, vol. 2(3‐4), pages 295-317, September.
    • Handle: RePEc:bla:ijethy:v:2:y:2006:i:3-4:p:295-317
    DOI: 10.1111/j.1742-7363.2006.0038.x
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    References listed on IDEAS

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    1. Grossman, Sanford J & Hart, Oliver D, 1979. "A Theory of Competitive Equilibrium in Stock Market Economies," Econometrica, Econometric Society, vol. 47(2), pages 293-329, March.
    2. Paul R. Krugman, 1998. "It's Baaack: Japan's Slump and the Return of the Liquidity Trap," Brookings Papers on Economic Activity, Economic Studies Program, The Brookings Institution, vol. 29(2), pages 137-206.
    3. Jean-Michel Grandmont & Yves Younes, 1972. "On the Role of Money and the Existence of a Monetary Equilibrium," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 39(3), pages 355-372.
    4. Jacques H. Drèze, 1974. "Investment Under Private Ownership: Optimality, Equilibrium and Stability," International Economic Association Series, in: Jacques H. Drèze (ed.), Allocation under Uncertainty: Equilibrium and Optimality, chapter 9, pages 129-166, Palgrave Macmillan.
    5. Jean-Michel Grandmont & Guy Laroque, 1975. "On Money and Banking," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 42(2), pages 207-236.
    6. Dubey, Pradeep & Geanakoplos, John, 2003. "Monetary equilibrium with missing markets," Journal of Mathematical Economics, Elsevier, vol. 39(5-6), pages 585-618, July.
    7. Lucas, Robert E, Jr & Stokey, Nancy L, 1987. "Money and Interest in a Cash-in-Advance Economy," Econometrica, Econometric Society, vol. 55(3), pages 491-513, May.
    8. Barth, James R & Kraft, Arthur & Kraft, John, 1976. "Estimation of the Liquidity Trap Using Spline Functions," The Review of Economics and Statistics, MIT Press, vol. 58(2), pages 218-222, May.
    9. Jacques H. Drèze (ed.), 1974. "Allocation under Uncertainty: Equilibrium and Optimality," International Economic Association Series, Palgrave Macmillan, number 978-1-349-01989-2, December.
    10. Lucas, Robert E, Jr, 1980. "Equilibrium in a Pure Currency Economy," Economic Inquiry, Western Economic Association International, vol. 18(2), pages 203-220, April.
    11. Bryce Hool, 1976. "Money, Expectations and the Existence of a Temporary Equilibrium," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 43(3), pages 439-445.
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    Citations

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    Cited by:

    1. Guido Lorenzoni & Veronica Guerrieri, 2010. "Credit Crises and Liquidity Traps," 2010 Meeting Papers 1182, Society for Economic Dynamics.
    2. Veronica Guerrieri & Guido Lorenzoni, 2017. "Credit Crises, Precautionary Savings, and the Liquidity Trap," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 132(3), pages 1427-1467.
    3. Richard Dusansky & Çağatay Koç, 2009. "Demand for cash balances in a cashless economy," International Journal of Economic Theory, The International Society for Economic Theory, vol. 5(3), pages 301-313, September.
    4. Cohen, Nissim & Rubinchik, Anna & Shami, Labib, 2020. "Towards a cashless economy: Economic and socio-political implications," European Journal of Political Economy, Elsevier, vol. 61(C).

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    More about this item

    JEL classification:

    • D50 - Microeconomics - - General Equilibrium and Disequilibrium - - - General
    • D51 - Microeconomics - - General Equilibrium and Disequilibrium - - - Exchange and Production Economies
    • D52 - Microeconomics - - General Equilibrium and Disequilibrium - - - Incomplete Markets
    • D58 - Microeconomics - - General Equilibrium and Disequilibrium - - - Computable and Other Applied General Equilibrium Models
    • D60 - Microeconomics - - Welfare Economics - - - General
    • E12 - Macroeconomics and Monetary Economics - - General Aggregative Models - - - Keynes; Keynesian; Post-Keynesian; Modern Monetary Theory
    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation
    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
    • E41 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Demand for Money
    • E42 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Monetary Sytsems; Standards; Regimes; Government and the Monetary System

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