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  • Yamin Ahmad

    ()
    (Department of Economics, University of Wisconsin - Whitewater)

  • Stuart Glosser

    ()
    (Department of Economics, University of Wisconsin - Whitewater)

Abstract

A recent innovation in modeling exchange rates has been the use of nonlinear techniques such as threshold autoregressive models and its smooth transition variants. This paper investigates the smooth transition autoregressive (STAR) modeling strategy in an application to real exchange rates. The key findings are as follows. First, using the methodology advocated by Teräsvirta (1994), we find evidence of nonlinear dynamics for several of the spot dollar real exchange rates using monthly data on five of the G7 countries. However, once estimated, we find that the STAR specification is appropriate for only one of the three exchange rate series indicated to be an ESTAR process. Moreover, using simulations, we show that the underlying methodology used to detect nonlinearities in the data exhibit substantial size biases, which we attribute to influential observations. We also investigate an alternative nonlinear specification and find that we can model the dollar-sterling and the dollar-lira real exchange rates better as an open-loop TAR process instead of a SETAR process.

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File URL: http://www.uww.edu/documents/colleges/cobe/economics/wpapers/09_01_Ahmad_Glosser.pdf
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Bibliographic Info

Paper provided by UW-Whitewater, Department of Economics in its series Working Papers with number 09-01.

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Length: 29 pages
Date of creation: Nov 2007
Date of revision: Jan 2009
Publication status: published in Applied Economics, 43 (15), May 2011, pp. 1829 - 1845
Handle: RePEc:uww:wpaper:09-01

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Postal: Whitewater, WI 53190-1750
Phone: (414) 472-1361
Web page: http://www.uww.edu/cobe/economics/main.html
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Related research

Keywords: Nonlinear Models of Exchange Rates; Threshold Models; ESTAR; TAR; PPP;

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References

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  1. Lutz Kilian & Mark P. Taylor, 2001. "Why Is It So Difficult to Beat the Random Walk Forecast of Exchange Rates?," Working Papers 464, Research Seminar in International Economics, University of Michigan.
  2. Patel, Jayendu, 1990. "Purchasing Power Parity as a Long-Run Relation," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 5(4), pages 367-79, Oct.-Dec..
  3. Kenneth Rogoff, 1996. "The Purchasing Power Parity Puzzle," Journal of Economic Literature, American Economic Association, vol. 34(2), pages 647-668, June.
  4. Michael, Panos & Nobay, A Robert & Peel, David A, 1997. "Transactions Costs and Nonlinear Adjustment in Real Exchange Rates: An Empirical Investigation," Journal of Political Economy, University of Chicago Press, vol. 105(4), pages 862-79, August.
  5. Meese, R. & Rogoff, K., 1988. "Was It Real? The Exchange Rate-Interest Differential Ralation Over The Modern Floating-Rate Period," Working papers 368, Wisconsin Madison - Social Systems.
  6. Peel, David & Sarno, Lucio & Taylor, Mark P, 2001. "Nonlinear Mean-Reversion in Real Exchange Rates: Towards a Solution to the Purchasing Power Parity Puzzles," CEPR Discussion Papers 2658, C.E.P.R. Discussion Papers.
  7. Alan M. Taylor & Mark P. Taylor, 2004. "The Purchasing Power Parity Debate," Journal of Economic Perspectives, American Economic Association, vol. 18(4), pages 135-158, Fall.
  8. JamesR. Lothian & MarkP. Taylor, 2008. "Real Exchange Rates Over the Past Two Centuries: How Important is the Harrod-Balassa-Samuelson Effect?," Economic Journal, Royal Economic Society, vol. 118(532), pages 1742-1763, October.
  9. Enders, Walter, 1988. "ARIMA and Cointegration Tests of PPP under Fixed and Flexible Exchange Rate Regimes," The Review of Economics and Statistics, MIT Press, vol. 70(3), pages 504-08, August.
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Citations

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Cited by:
  1. Yamin Ahmad & Ming Chien Lo & Olena Mykhaylova, 2011. "Volatility and Persistence of Simulated DSGE Real Exchange Rates," Working Papers 11-01, UW-Whitewater, Department of Economics, revised Nov 2012.
  2. Yamin Ahmad & Ming Chien Lo & Olena Mykhaylova, 2012. "Causes of Nonlinearities in low order models of the real exchange rate," Working Papers 12-01, UW-Whitewater, Department of Economics, revised Mar 2013.

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