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A Simple Model Of Useless Speculation

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  • SINN, H.W.

Abstract

The paper presents a general equilibrium model of a pure exchange economy with stochastic endowment in which speculation is profitable and stabilizes prices, but is useless from a welfare point of view. Reconciling the Siegel paradox with the theory of incomplete markets we show that banning speculation by closing the forward exchange market may increase social welfare.
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Suggested Citation

  • Sinn, H.W., 1990. "A Simple Model Of Useless Speculation," Papers 60, Princeton, Woodrow Wilson School - Discussion Paper.
  • Handle: RePEc:fth:priwdp:60
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    References listed on IDEAS

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    1. Paul A. Samuelson, 1972. "The Consumer Does Benefit from Feasible Price Stability," The Quarterly Journal of Economics, Oxford University Press, vol. 86(3), pages 476-493.
    2. J. Huston McCulloch, 1975. "Operational Aspects of the Siegel Paradox," The Quarterly Journal of Economics, Oxford University Press, vol. 89(1), pages 170-172.
    3. Hal R. Varian, 1989. "Measuring The Deadweight Costs Of Dup And Rent Seeking Activities," Economics and Politics, Wiley Blackwell, vol. 1(1), pages 81-95, March.
    4. Paul R. Krugman, 1981. "Consumption Preferences, Asset Demands, and Distribution Effects in International Financial Markets," NBER Working Papers 0651, National Bureau of Economic Research, Inc.
    5. Hart, Oliver D., 1975. "On the optimality of equilibrium when the market structure is incomplete," Journal of Economic Theory, Elsevier, vol. 11(3), pages 418-443, December.
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    Keywords

    speculation ; second best ; prices;

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