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Generic determinacy and money non-neutrality of international monetary equilibria

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Tsomocos, Dimitrios P.

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Abstract

I address the issue of the [`]number' of international monetary equilibria that the international finance model of Geanakoplos and Tsomocos (2002) possesses. The mainstream competitive model has locally unique equilibria with respect to the real side of the economy; however, it manifests nominal indeterminacy. Kareken and Wallace [Kareken, J., Wallace, N., 1981. On the Indeterminacy of Equilibrium Exchange Rates. Q. J. Econ. 96, 207-222] extend the O.L.G. indeterminacy result to a monetary model of the international economy. However, the role of monetary sector together with the market and agent heterogeneity remove real and nominal indeterminacy in the Geanakoplos and Tsomocos model. In particular, nominal indeterminacy abruptly disappears when private liquid wealth is non-zero. Finally, monetary policy becomes non-neutral since monetary changes affect nominal variables which in turn determine different real allocations. Lucas did not find these non-neutral effects in his model of international finance because he postulated a [`]sell-all model' in which every agent sells everything he owns in every period. Thus, the number of transactions remain unaffected by definition regardless of any policy changes. Instead, when transactions emerge endogenously in equilibrium monetary policy has non-neutral effects provided that there exist potential gains to trade at the initial allocation of goods.

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Article provided by Elsevier in its journal Journal of Mathematical Economics.

Volume (Year): 44 (2008)
Issue (Month): 7-8 (July)
Pages: 866-887
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Handle: RePEc:eee:mateco:v:44:y:2008:i:7-8:p:866-887

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Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
  1. Lucas, Robert Jr., 1982. "Interest rates and currency prices in a two-country world," Journal of Monetary Economics, Elsevier, vol. 10(3), pages 335-359. [Downloadable!] (restricted)
  2. Geanakoplos, John & Mas-Colell, Andreu, 1989. "Real indeterminacy with financial assets," Journal of Economic Theory, Elsevier, vol. 47(1), pages 22-38, February. [Downloadable!] (restricted)
  3. Paul A. Samuelson, 1958. "An Exact Consumption-Loan Model of Interest with or without the Social Contrivance of Money," Journal of Political Economy, University of Chicago Press, vol. 66, pages 467. [Downloadable!] (restricted)
  4. Shapley, Lloyd S & Shubik, Martin, 1977. "Trade Using One Commodity as a Means of Payment," Journal of Political Economy, University of Chicago Press, vol. 85(5), pages 937-68, October. [Downloadable!] (restricted)
  5. Dornbusch, Rudiger, 1976. "Expectations and Exchange Rate Dynamics," Journal of Political Economy, University of Chicago Press, vol. 84(6), pages 1161-76, December. [Downloadable!] (restricted)
  6. Magill, M. & Quinzii, M., 1992. "Real effects of money in general equilibrium," Journal of Mathematical Economics, Elsevier, vol. 21(4), pages 301-342. [Downloadable!] (restricted)
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  7. P. Dubey & J. Geanakoplos & M . Shubik, 2001. "Default and Punishment in General Equilibrium," Department of Economics Working Papers 01-07, Stony Brook University, Department of Economics. [Downloadable!]
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  8. Debreu, Gerard, 1970. "Economies with a Finite Set of Equilibria," Econometrica, Econometric Society, vol. 38(3), pages 387-92, May. [Downloadable!] (restricted)
  9. Kareken, John & Wallace, Neil, 1981. "On the Indeterminacy of Equilibrium Exchange Rates," The Quarterly Journal of Economics, MIT Press, vol. 96(2), pages 207-22, May. [Downloadable!] (restricted)
  10. Pradeep Dubey & John Geanakoplos, 2003. "Monetary Equilibrium with Missing Markets," Cowles Foundation Discussion Papers 1389, Cowles Foundation, Yale University. [Downloadable!]
  11. Balasko, Yves & Cass, David & Siconolfi, Paolo, 1990. "The structure of financial equilibrium with exogenous yields : The case of restricted participation," Journal of Mathematical Economics, Elsevier, vol. 19(1-2), pages 195-216. [Downloadable!] (restricted)
  12. Grandmont, Jean-Michel & Younes, Yves, 1972. "On the Role of Money and the Existence of a Monetary Equilibrium," Review of Economic Studies, Blackwell Publishing, vol. 39(3), pages 355-72, July. [Downloadable!] (restricted)
  13. Lucas, Robert Jr., 1990. "Liquidity and interest rates," Journal of Economic Theory, Elsevier, vol. 50(2), pages 237-264, April. [Downloadable!] (restricted)
  14. Grandmont, Jean-Michel & Laroque, Guy, 1975. "On Money and Banking," Review of Economic Studies, Blackwell Publishing, vol. 42(2), pages 207-36, April. [Downloadable!] (restricted)
  15. Martin Shubik, 2000. "The Theory of Money," Cowles Foundation Discussion Papers 1253, Cowles Foundation, Yale University. [Downloadable!]
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  16. Lucas, Robert E., 1984. "Money in a theory of finance," Carnegie-Rochester Conference Series on Public Policy, Elsevier, vol. 21(1), pages 9-46, January. [Downloadable!] (restricted)
  17. Dubey, Pradeep & Geanakoplos, John, 2003. "Monetary equilibrium with missing markets," Journal of Mathematical Economics, Elsevier, vol. 39(5-6), pages 585-618, July. [Downloadable!] (restricted)
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  1. Raphaël Espinoza & Charles. Goodhart & Dimitrios Tsomocos, 2009. "State prices, liquidity, and default," Economic Theory, Springer, vol. 39(2), pages 177-194, May. [Downloadable!] (restricted)
  2. Raphael A. Espinoza & Charles A. E. Goodhart & Dimitrios P. Tsomocos, 2007. "Endogenous State Prices, Liquidity, Default, and the Yield Curve," OFRC Working Papers Series 2007fe01, Oxford Financial Research Centre. [Downloadable!]
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