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Generic determinacy and money non-neutrality of international monetary equilibria

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  • Tsomocos, Dimitrios P.

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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  • Tsomocos, Dimitrios P., 2008. "Generic determinacy and money non-neutrality of international monetary equilibria," Journal of Mathematical Economics, Elsevier, vol. 44(7-8), pages 866-887, July.
  • Handle: RePEc:eee:mateco:v:44:y:2008:i:7-8:p:866-887
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    Cited by:

    1. Xuan Wang, 2019. "When Do Currency Unions Benefit From Default ?," 2019 Papers pwa938, Job Market Papers.
    2. Gaël Giraud & Dimitrios Tsomocos, 2010. "Nominal uniqueness and money non-neutrality in the limit-price exchange process," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 45(1), pages 303-348, October.
    3. Li Lin & Dimitrios P. Tsomocos & Alexandros P. Vardoulakis, 2016. "On default and uniqueness of monetary equilibria," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 62(1), pages 245-264, June.
    4. Raphael Espinoza & Dimitrios P. Tsomocos, 2019. "Monetary transaction costs and the term premium," Chapters, in: Financial Regulation and Stability, chapter 8, pages 224-244, Edward Elgar Publishing.
    5. Raphael A. Espinoza & Dimitrios P. Tsomocos, 2008. "Liquidity and Asset Prices," Economics Series Working Papers 2008fe28, University of Oxford, Department of Economics.
    6. Kumhof, Michael & Wang, Xuan, 2021. "Banks, money, and the zero lower bound on deposit rates," Journal of Economic Dynamics and Control, Elsevier, vol. 132(C).
    7. Dmitry Levando, 2012. "A Survey Of Strategic Market Games," Economic Annals, Faculty of Economics and Business, University of Belgrade, vol. 57(194), pages 63-106, July - Se.
    8. firano, zakaria & Benbachir, Saad & Abouch, Mohammed, 2012. "Macroeconomic framework for financial stability for Morocco," MPRA Paper 43998, University Library of Munich, Germany.
    9. Raphaël Espinoza & Charles. Goodhart & Dimitrios Tsomocos, 2009. "State prices, liquidity, and default," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 39(2), pages 177-194, May.
    10. Xuan Wang, 2021. "Bankruptcy Codes and Risk Sharing of Currency Unions," Tinbergen Institute Discussion Papers 21-009/IV, Tinbergen Institute.
    11. M. Udara Peiris & Dimitrios P. Tsomocos, 2019. "International monetary equilibrium with default," Chapters, in: Financial Regulation and Stability, chapter 10, pages 259-269, Edward Elgar Publishing.
    12. Charles A. E. Goodhart & Carolina Osorio & Dimitrios P. Tsomocos, 2009. "Analysis of Monetary Policy and Financial Stability: A New Paradigm," CESifo Working Paper Series 2885, CESifo.

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    More about this item

    JEL classification:

    • D5 - Microeconomics - - General Equilibrium and Disequilibrium
    • E5 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit
    • E6 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook
    • F1 - International Economics - - Trade
    • F2 - International Economics - - International Factor Movements and International Business
    • F3 - International Economics - - International Finance

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