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Endogenous supply of fiat money

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  • Araujo, Luis
  • Camargo, Braz

Abstract

We consider whether reputation concerns can discipline the behavior of a long-lived self-interested agent who has a monopoly over the provision of fiat money. We obtain that when this agent can commit to a choice of money supply, there is a monetary equilibrium where it never overissues. We show, however, that monetary equilibria with no overissue do not exist when there is no commitment. This happens because the incentives this agent has to maintain a reputation for providing valuable currency disappear once its reputation is high enough. More generally, we prove that in the absence of commitment overissue happens infinitely often in any monetary equilibrium. We conclude by showing that imperfect memory can restore the positive result obtained with commitment.

Suggested Citation

  • Araujo, Luis & Camargo, Braz, 2008. "Endogenous supply of fiat money," Journal of Economic Theory, Elsevier, vol. 142(1), pages 48-72, September.
  • Handle: RePEc:eee:jetheo:v:142:y:2008:i:1:p:48-72
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    1. Aoyagi, Masaki, 1998. "Mutual Observability and the Convergence of Actions in a Multi-Person Two-Armed Bandit Model," Journal of Economic Theory, Elsevier, vol. 82(2), pages 405-424, October.
    2. Ricardo de O. Cavalcanti & Andres Erosa & Ted Temzelides, 1999. "Private Money and Reserve Management in a Random-Matching Model," Journal of Political Economy, University of Chicago Press, vol. 107(5), pages 929-945, October.
    3. Williamson, Stephen D, 1999. "Private Money," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 31(3), pages 469-491, August.
    4. Milton Friedman & Anna J. Schwartz, 1987. "Has Government Any Role in Money?," NBER Chapters,in: Money in Historical Perspective, pages 289-314 National Bureau of Economic Research, Inc.
    5. Banks, Jeffrey S & Sundaram, Rangarajan K, 1992. "Denumerable-Armed Bandits," Econometrica, Econometric Society, vol. 60(5), pages 1071-1096, September.
    6. Aleksander Berentsen, "undated". "Time-Consistent Private Supplie of Outside Paper Money," IEW - Working Papers 156, Institute for Empirical Research in Economics - University of Zurich.
    7. Araujo, Luis & Camargo, Braz, 2006. "Information, learning, and the stability of fiat money," Journal of Monetary Economics, Elsevier, vol. 53(7), pages 1571-1591, October.
    8. Klein, Benjamin, 1974. "The Competitive Supply of Money," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 6(4), pages 423-453, November.
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    Cited by:

    1. Parag Waknis, 2011. "Endogenous Monetary Policy: A Leviathan Central Bank in a Lagos-Wright Economy," Working papers 2011-20, University of Connecticut, Department of Economics.
    2. Kocherlakota, Narayana & Wright, Randall, 2008. "Introduction to monetary and macro economics," Journal of Economic Theory, Elsevier, vol. 142(1), pages 1-4, September.
    3. Fernández-Villaverde, Jesús & Sanches, Daniel, 2016. "Can Currency Competition Work?," CEPR Discussion Papers 11095, C.E.P.R. Discussion Papers.
    4. Waknis, Parag, 2014. "A Leviathan central bank: Modeling seigniorage in a money search model," Economics Letters, Elsevier, vol. 125(3), pages 386-391.

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