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How productive is optimism? the Impact of ambiguity on the "big push"

Author

Listed:
  • David Kelsey

    () (University of Exeter)

  • Wei Pang

    () (Kingston University)

Abstract

The paper finds that sufficient ambiguity leads to the uniqueness of equilibrium in macroeconomic coordination games. The results have a Keynesian flavour: sufficient optimism gives rise to a Pareto-optimal equilibrium; and sufficient pessimism results in a Pareto-inferior equilibrium. This analysis is applied to a "Big Push" model from the economic growth literature.

Suggested Citation

  • David Kelsey & Wei Pang, 2010. "How productive is optimism? the Impact of ambiguity on the "big push"," Economics Bulletin, AccessEcon, vol. 30(1), pages 855-865.
  • Handle: RePEc:ebl:ecbull:eb-10-00074
    as

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    File URL: http://www.accessecon.com/Pubs/EB/2010/Volume30/EB-10-V30-I1-P80.pdf
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    References listed on IDEAS

    as
    1. Shleifer, Andrei & Vishny, Robert W, 1988. "The Efficiency of Investment in the Presence of Aggregate Demand Spillovers," Journal of Political Economy, University of Chicago Press, vol. 96(6), pages 1221-1231, December.
    2. J. M. Keynes, 1937. "The General Theory of Employment," The Quarterly Journal of Economics, Oxford University Press, vol. 51(2), pages 209-223.
    3. Chateauneuf, Alain & Eichberger, Jurgen & Grant, Simon, 2007. "Choice under uncertainty with the best and worst in mind: Neo-additive capacities," Journal of Economic Theory, Elsevier, vol. 137(1), pages 538-567, November.
    4. Russell Cooper & Andrew John, 1988. "Coordinating Coordination Failures in Keynesian Models," The Quarterly Journal of Economics, Oxford University Press, vol. 103(3), pages 441-463.
    5. Schmeidler, David, 1989. "Subjective Probability and Expected Utility without Additivity," Econometrica, Econometric Society, vol. 57(3), pages 571-587, May.
    6. Eichberger, Jurgen & Kelsey, David, 2000. "Non-Additive Beliefs and Strategic Equilibria," Games and Economic Behavior, Elsevier, vol. 30(2), pages 183-215, February.
    7. Dow James & Werlang Sergio Ribeiro Da Costa, 1994. "Nash Equilibrium under Knightian Uncertainty: Breaking Down Backward Induction," Journal of Economic Theory, Elsevier, vol. 64(2), pages 305-324, December.
    8. Heath, Chip & Tversky, Amos, 1991. "Preference and Belief: Ambiguity and Competence in Choice under Uncertainty," Journal of Risk and Uncertainty, Springer, vol. 4(1), pages 5-28, January.
    9. Fatas, Antonio & Metrick, Andrew, 1997. "Irreversible Investment and Strategic Interaction," Economica, London School of Economics and Political Science, vol. 64(253), pages 31-47, February.
    10. Cass, David & Shell, Karl, 1983. "Do Sunspots Matter?," Journal of Political Economy, University of Chicago Press, vol. 91(2), pages 193-227, April.
    Full references (including those not matched with items on IDEAS)

    More about this item

    Keywords

    Ambiguity; Strategic Complementary; Coordination Games; Optimism; Big Push.;

    JEL classification:

    • D8 - Microeconomics - - Information, Knowledge, and Uncertainty
    • H3 - Public Economics - - Fiscal Policies and Behavior of Economic Agents

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