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Counterfeit Quality and Verification in a Monetary Exchange

Listed author(s):
  • Ben Fung
  • Enchuan Shao

Recent studies on counterfeiting in a monetary search framework show that counterfeiting does not occur in a monetary equilibrium. These findings are inconsistent with the observation that counterfeiting of bank notes has been a serious problem in some countries. In this paper, we show that counterfeiting can exist as an equilibrium outcome in a model in which money is not perfectly recognizable and thus can be counterfeited. A competitive search environment is employed in which sellers post offers and buyers direct their search based on posted offers. When sellers are uninformed about the quality of the money, their offers are pooling and thus buyers can extract rents by using counterfeit money. In this case, counterfeit notes can coexist with genuine notes under certain conditions. We also explicitly model the interaction between sellers' verification decisions and counterfeiters' choices of counterfeit quality. This allows us to better understand how policies can affect counterfeiting.

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File URL: http://www.bankofcanada.ca/wp-content/uploads/2011/02/wp11-4.pdf
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Paper provided by Bank of Canada in its series Staff Working Papers with number 11-4.

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Length: 37 pages
Date of creation: 2011
Handle: RePEc:bca:bocawp:11-4
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Web page: http://www.bank-banque-canada.ca/

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  1. Yvan Lengwiler, 1997. "A model of money counterfeits," Journal of Economics, Springer, vol. 65(2), pages 123-132, June.
  2. Elena Quercioli & Lones Smith, 2015. "The Economics of Counterfeiting," Econometrica, Econometric Society, vol. 83(3), pages 1211-1236, 05.
  3. Nosal, Ed & Wallace, Neil, 2007. "A model of (the threat of) counterfeiting," Journal of Monetary Economics, Elsevier, vol. 54(4), pages 994-1001, May.
  4. Ricardo Cavalcanti & Ed Nosal, 2011. "Counterfeiting as Private Money in Mechanism Design," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 43, pages 625-636, October.
  5. Guillaume Rocheteau & Randall Wright, 2005. "Money in Search Equilibrium, in Competitive Equilibrium, and in Competitive Search Equilibrium," Econometrica, Econometric Society, vol. 73(1), pages 175-202, 01.
  6. Ricardo Lagos & Randall Wright, 2005. "A Unified Framework for Monetary Theory and Policy Analysis," Journal of Political Economy, University of Chicago Press, vol. 113(3), pages 463-484, June.
  7. Kiyotaki, Nobuhiro & Wright, Randall, 1993. "A Search-Theoretic Approach to Monetary Economics," American Economic Review, American Economic Association, vol. 83(1), pages 63-77, March.
  8. Veronica Guerrieri & Robert Shimer & Randall Wright, 2010. "Adverse Selection in Competitive Search Equilibrium," Econometrica, Econometric Society, vol. 78(6), pages 1823-1862, November.
  9. Shao, Enchuan, 2014. "The threat of counterfeiting in competitive search equilibrium," Journal of Economic Dynamics and Control, Elsevier, vol. 47(C), pages 168-185.
  10. Li, Yiting & Rocheteau, Guillaume, 2011. "On The Threat Of Counterfeiting," Macroeconomic Dynamics, Cambridge University Press, vol. 15(S1), pages 10-41, April.
  11. Ben Fung & Enchuan Shao, 2011. "Modelling the Counterfeiting of Bank Notes: A Literature Review," Bank of Canada Review, Bank of Canada, vol. 2011(Autumn), pages 29-35.
  12. Moen, Espen R, 1997. "Competitive Search Equilibrium," Journal of Political Economy, University of Chicago Press, vol. 105(2), pages 385-411, April.
  13. Monnet, Cyril, 2005. "Counterfeiting and inflation," Working Paper Series 512, European Central Bank.
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