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Confidence, Crashes and Animal Spirits

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  • Roger E.A. Farmer

Abstract

This paper presents a model of the macroeconomy that reformulates what I take to be two important ideas from Keynes General Theory. The first is that there may be a continuum of steady state unemployment rates. The second is that beliefs select an equilibrium. I argue that search and matching costs in the labor market lead to the existence of a continuum of equilibria and I resolve the resulting indeterminacy by assuming that the beliefs of stock market participants are self-fulfilling. The paper reconciles Keynesian economics with general equilibrium theory without invoking the assumption of frictions that prevent wages and prices from reaching their equilibrium levels.

Suggested Citation

  • Roger E.A. Farmer, 2009. "Confidence, Crashes and Animal Spirits," NBER Working Papers 14846, National Bureau of Economic Research, Inc.
    • Handle: RePEc:nbr:nberwo:14846
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    References listed on IDEAS

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    1. Marcus Hagedorn & Iourii Manovskii, 2008. "The Cyclical Behavior of Equilibrium Unemployment and Vacancies Revisited," American Economic Review, American Economic Association, vol. 98(4), pages 1692-1706, September.
    2. Paolo Gelain & Marco Guerrazzi, 2010. "A DSGE Model from the Old Keynesian Economics: An Empirical Investigation," CDMA Working Paper Series 201014, Centre for Dynamic Macroeconomic Analysis.
    3. Mark Gertler & Luca Sala & Antonella Trigari, 2008. "An Estimated Monetary DSGE Model with Unemployment and Staggered Nominal Wage Bargaining," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 40(8), pages 1713-1764, December.
    4. Greenwald, Bruce & Stiglitz, Joseph E, 1988. "Pareto Inefficiency of Market Economies: Search and Efficiency Wage Models," American Economic Review, American Economic Association, vol. 78(2), pages 351-355, May.
    5. Jordi Galí & Frank Smets & Rafael Wouters, 2012. "Unemployment in an Estimated New Keynesian Model," NBER Macroeconomics Annual, University of Chicago Press, vol. 26(1), pages 329-360.
    6. Howitt, Peter & McAfee, R Preston, 1987. "Costly Search and Recruiting," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 28(1), pages 89-107, February.
    7. Farmer, Roger E.A., 2010. "How to reduce unemployment: A new policy proposal," Journal of Monetary Economics, Elsevier, vol. 57(5), pages 557-572, July.
    8. Robert E. Hall & Paul R. Milgrom, 2008. "The Limited Influence of Unemployment on the Wage Bargain," American Economic Review, American Economic Association, vol. 98(4), pages 1653-1674, September.
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    11. Diamond, Peter A, 1982. "Aggregate Demand Management in Search Equilibrium," Journal of Political Economy, University of Chicago Press, vol. 90(5), pages 881-894, October.
    12. Roger E. A. Farmer, 2008. "Aggregate demand and supply," International Journal of Economic Theory, The International Society for Economic Theory, vol. 4(1), pages 77-93, March.
    13. Roger E.A. Farmer, 2010. "Animal Spirits, Persistent Unemployment and the Belief Function," NBER Working Papers 16522, National Bureau of Economic Research, Inc.
    14. Farmer, Roger, 2010. "Expectations, Employment and Prices," OUP Catalogue, Oxford University Press, number 9780195397901.
    15. Farmer, Roger E. A. & Plotnikov, Dmitry, 2012. "Does Fiscal Policy Matter? Blinder And Solow Revisited," Macroeconomic Dynamics, Cambridge University Press, vol. 16(S1), pages 149-166, April.
    16. Pissarides, Christopher A, 1984. "Search Intensity, Job Advertising, and Efficiency," Journal of Labor Economics, University of Chicago Press, vol. 2(1), pages 128-143, January.
    17. Marco Guerrazzi, 2010. "Stochastic Dynamics and Matching in the Old Keynesian Economics: A Rationale for the Shimer's Puzzle," Discussion Papers 2010/95, Dipartimento di Economia e Management (DEM), University of Pisa, Pisa, Italy.
    18. N. Gregory Mankiw & Julio J. Rotemberg & Lawrence H. Summers, 1985. "Intertemporal Substitution in Macroeconomics," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 100(1), pages 225-251.
    19. Roger E. A. Farmer, 2005. "Shooting the Auctioneer," 2005 Meeting Papers 26, Society for Economic Dynamics.
    20. Arthur J. Hosios, 1990. "On The Efficiency of Matching and Related Models of Search and Unemployment," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 57(2), pages 279-298.
    21. Diamond, Peter A, 1984. "Money in Search Equilibrium," Econometrica, Econometric Society, vol. 52(1), pages 1-20, January.
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    JEL classification:

    • E0 - Macroeconomics and Monetary Economics - - General
    • E12 - Macroeconomics and Monetary Economics - - General Aggregative Models - - - Keynes; Keynesian; Post-Keynesian; Modern Monetary Theory
    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles

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