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Ambiguity Aversion: Implications for the Uncovered Interest Rate Parity Puzzle

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  • Cosmin L. Ilut

Abstract

High-interest-rate currencies tend to appreciate in the future relative to low-interest-rate currencies instead of depreciating as uncovered-interest-parity (UIP) predicts. I construct a model of exchange-rate determination in which ambiguity-averse agents face a dynamic filtering problem featuring signals of uncertain precision. Solving a max-min problem, agents act upon a worst-case signal precision and systematically underestimate the hidden state that controls payoffs. Thus, on average, agents next periods perceive positive innovations, which generates an upward re-evaluation of the strategy's profitability and implies ex-post departures from UIP. The model also produces predictable expectational errors, ex-post profitability and negative skewness of currency speculation payoffs.

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Bibliographic Info

Paper provided by Duke University, Department of Economics in its series Working Papers with number 10-53.

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Length: 57
Date of creation: 2010
Date of revision:
Handle: RePEc:duk:dukeec:10-53

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Postal: Department of Economics Duke University 213 Social Sciences Building Box 90097 Durham, NC 27708-0097
Phone: (919) 660-1800
Fax: (919) 684-8974
Web page: http://econ.duke.edu/

Related research

Keywords: uncovered interest rate parity; carry trade; ambiguity aversion; robust filtering;

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References

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  1. Tomasz Strzalecki, 2011. "Axiomatic Foundations of Multiplier Preferences," Econometrica, Econometric Society, vol. 79(1), pages 47-73, 01.
  2. Bacchetta, Philippe & Mertens, Elmar & van Wincoop, Eric, 2006. "Predictability in Financial Markets: What Do Survey Expectations Tell Us?," CEPR Discussion Papers 5770, C.E.P.R. Discussion Papers.
  3. Larry G. Epstein & Martin Schneider, 2007. "Learning Under Ambiguity," Review of Economic Studies, Oxford University Press, vol. 74(4), pages 1275-1303.
  4. Almuth Scholl & Harald Uhlig, 2006. "New Evidence on the Puzzles: Monetary Policy and Exchange Rates," Computing in Economics and Finance 2006 5, Society for Computational Economics.
  5. Xavier Gabaix, 2008. "Variable Rare Disasters: An Exactly Solved Framework for Ten Puzzles in Macro-Finance," NBER Working Papers 13724, National Bureau of Economic Research, Inc.
  6. Emmanuel Farhi & Xavier Gabaix, 2008. "Rare Disasters and Exchange Rates," NBER Working Papers 13805, National Bureau of Economic Research, Inc.
  7. Francois Gourio, 2008. "Disasters and Recoveries," American Economic Review, American Economic Association, vol. 98(2), pages 68-73, May.
  8. Kaminsky, Graciela, 1993. "Is There a Peso Problem? Evidence from the Dollar/Pound Exchange Rate, 1976-1987," American Economic Review, American Economic Association, vol. 83(3), pages 450-72, June.
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Cited by:
  1. Jorda, Oscar, 2010. "Carry Trade," Working Papers 10-18, University of California at Davis, Department of Economics.
  2. Francis Breedon & Dagfinn Rime & Paolo Vital, 2010. "A Transaction Data Study of the Forward Bias Puzzle," Working Paper 2010/26, Norges Bank.
  3. Olivier Coibion & Yuriy Gorodnichenko, 2010. "Information Rigidity and the Expectations Formation Process: A Simple Framework and New Facts," NBER Working Papers 16537, National Bureau of Economic Research, Inc.
  4. Massimo Guidolin & Francesca Rinaldi, 2011. "Ambiguity in Asset Pricing and Portfolio Choice: A Review of the Literature," Working Papers 417, IGIER (Innocenzo Gasparini Institute for Economic Research), Bocconi University.
  5. Òscar Jordà & Alan M. Taylor, 2009. "The Carry Trade and Fundamentals: Nothing to Fear But FEER Itself," NBER Working Papers 15518, National Bureau of Economic Research, Inc.
  6. Charles Engel, 2011. "The Real Exchange Rate, Real Interest Rates, and the Risk Premium," Working Papers 272011, Hong Kong Institute for Monetary Research.
  7. Martin Schneider, 2010. "The Research Agenda: Martin Schneider on Multiple Priors Preferences and Financial Markets," EconomicDynamics Newsletter, Review of Economic Dynamics, vol. 11(2), April.
  8. Travis Berge & Òscar Jordà & Alan M. Taylor, 2010. "Currency Carry Trades," NBER Chapters, in: NBER International Seminar on Macroeconomics 2010, pages 357-387 National Bureau of Economic Research, Inc.

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