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Global uniqueness and money non-neutrality in a Walrasian dynamics without rational expectations

  • Gaël Giraud

    ()

    (CERMSEM)

  • Dimitrios Tsomocos

    ()

    (University of Oxford)

We define a non-tâtonnement dynamics in continuous-time for pure-exchange economies with outside and inside fiat money. Traders are myopic, face a cash-in-advance constraint and play dominant strategies in a short-run monetary strategic market game involving the limit-price mechanism. The profits of the Bank are redistributed to its private shareholders, but they can use them to pay their own debts only in the next period. Provided there is enough inside money, monetary trade curves converge towards Pareto optimal allocations; money has a positive value along each trade curve, except on the optimal rest-point where it becomes a veil while trades vanish. Moreover, generically, given initial conditions, there is a piecewise globally unique trade-and-price curve not only in real, but also in nominal variables. Finally, money is locally neutral in the short-run and non-neutral in the long-run.

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File URL: ftp://mse.univ-paris1.fr/pub/mse/cahiers2004/B04121.pdf
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Paper provided by Université Panthéon-Sorbonne (Paris 1) in its series Cahiers de la Maison des Sciences Economiques with number b04121.

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Length: 36 pages
Date of creation: Sep 2004
Date of revision:
Handle: RePEc:mse:wpsorb:b04121
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  1. Pradeep Dubey & John Geanakoplos, 2003. "Monetary Equilibrium with Missing Markets," Cowles Foundation Discussion Papers 1389, Cowles Foundation for Research in Economics, Yale University.
  2. MERTENS , Jean-François, 1996. "The limit-price mechanism," CORE Discussion Papers 1996050, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  3. Smale, S., 1976. "Global analysis and economics VI : Geometric analysis of Pareto Optima and price equilibria under classical hypotheses," Journal of Mathematical Economics, Elsevier, vol. 3(1), pages 1-14, March.
  4. Pradeep Dubey & John Geanakoplos, 2003. "Inside and outside fiat money, gains to trade, and IS-LM," Economic Theory, Springer, vol. 21(2), pages 347-397, 03.
  5. Peck, James & Shell, Karl, 1991. "Market Uncertainty: Correlated and Sunspot Equilibria in Imperfectly Competitive Economies," Review of Economic Studies, Wiley Blackwell, vol. 58(5), pages 1011-29, October.
  6. Dimitrios P Tsomocos, 2000. "Equilibrium Analysis, Banking and Financial Instability," Economics Series Working Papers 2003-FE-08, University of Oxford, Department of Economics.
  7. M. Shubik & D. Tsomocos, 1992. "A strategic market game with a mutual bank with fractional reserves and redemption in gold," Journal of Economics, Springer, vol. 55(2), pages 123-150, June.
  8. Sahi, Siddhartha & Yao, Shuntian, 1989. "The non-cooperative equilibria of a trading economy with complete markets and consistent prices," Journal of Mathematical Economics, Elsevier, vol. 18(4), pages 325-346, September.
  9. Bottazzi, Jean-Marc, 1994. "Accessibility of Pareto optima by Walrasian exchange processes," Journal of Mathematical Economics, Elsevier, vol. 23(6), pages 585-603, November.
  10. Giraud, Gael, 2003. "Strategic market games: an introduction," Journal of Mathematical Economics, Elsevier, vol. 39(5-6), pages 355-375, July.
  11. Weyers, Sonia, 2003. "A strategic market game with limit prices," Journal of Mathematical Economics, Elsevier, vol. 39(5-6), pages 529-558, July.
  12. Champsaur, P. & Cornet, B., 1989. "Walrasian Exchange Processes," CORE Discussion Papers 1989030, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
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