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Joint Variance-Ratio Tests of the Martingale Hypothesis for Exchange Rates

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Author Info

  • Fong, Wai Mun
  • Koh, Seng Kee
  • Ouliaris, Sam

Abstract

There is considerable interest as to whether exchange races behave like martingales. Liu and He (1991) test the martingale hypothesis for exchange rates using the variance ratio methodology of Lo and MacKinlay (1988). They find that exchange rates have violated martingale property since the inception of floating rates in 1973. However, Liu and He did not consider the joint implications of their tests, In this paper, we reassess the martingale hypothesis for exchange rates using the joint tests developed by Hochberg (1974) and Richardson and Smith (1991). Contrary to the findings of Liu He, the joint tests indicate that the martingale model worked quite well for exchange rates in the recent years of the floating rate regime.

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Bibliographic Info

Article provided by American Statistical Association in its journal Journal of Business and Economic Statistics.

Volume (Year): 15 (1997)
Issue (Month): 1 (January)
Pages: 51-59

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Handle: RePEc:bes:jnlbes:v:15:y:1997:i:1:p:51-59

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Cited by:
  1. Kin Lam & May Chun Mei Wong & Wing-Keung Wong, 2005. "New Variance Ratio Tests to Identify Random Walk from the General Mean Reversion Model," Departmental Working Papers wp0514, National University of Singapore, Department of Economics.
  2. Amélie Charles & Olivier Darné, 2009. "Variance-Ratio Tests Of Random Walk: An Overview," Journal of Economic Surveys, Wiley Blackwell, vol. 23(3), pages 503-527, 07.
  3. Jorge Belaire-Franch & Stanley McGreal & Kwaku K. Opong & James R. Webb, 2007. "A Nonparametric Variance-Ratio Test of the Behavior of U.K. Real Estate and Construction Indices," International Real Estate Review, Asian Real Estate Society, vol. 10(2), pages 94-112.
  4. Kaltenbrunner, Annina & Nissanke, Machiko, 2009. "The Case for an Intermediate Exchange Rate Regime with Endogenizing Market Structures and Capital Mobility," Working Paper Series UNU-WIDER Research Paper , World Institute for Development Economic Research (UNU-WIDER).
  5. Yamin Ahmad & Ivan Paya, 2014. "Temporal Aggregation of Random Walk Processes and Implications for Asset Prices," Working Papers 14-01, UW-Whitewater, Department of Economics.
  6. Al-Khazali, Osamah M. & Pyun, Chong Soo & Kim, Daewon, 2012. "Are exchange rate movements predictable in Asia-Pacific markets? Evidence of random walk and martingale difference processes," International Review of Economics & Finance, Elsevier, vol. 21(1), pages 221-231.
  7. Jorge Belaire-Franch & Kwaku Opong, 2005. "A Variance Ratio Test of the Behaviour of Some FTSE Equity Indices Using Ranks and Signs," Review of Quantitative Finance and Accounting, Springer, vol. 24(1), pages 93-107, January.
  8. Peter C.B. Phillips & Sainan Jin, 2013. "Testing the Martingale Hypothesis," Cowles Foundation Discussion Papers 1912, Cowles Foundation for Research in Economics, Yale University.
  9. Charles, Amélie & Darné, Olivier & Kim, Jae H., 2012. "Exchange-rate return predictability and the adaptive markets hypothesis: Evidence from major foreign exchange rates," Journal of International Money and Finance, Elsevier, vol. 31(6), pages 1607-1626.
  10. Belaire-Franch, Jorge & Opong, Kwaku K., 2005. "Some evidence of random walk behavior of Euro exchange rates using ranks and signs," Journal of Banking & Finance, Elsevier, vol. 29(7), pages 1631-1643, July.
  11. Jean-Marie Dufour & Lynda Khalaf & Marcel Voia, 2013. "Finite-sample resampling-based combined hypothesis tests, with applications to serial correlation and predictability," CIRANO Working Papers 2013s-40, CIRANO.
  12. Bekiros, Stelios D., 2014. "Exchange rates and fundamentals: Co-movement, long-run relationships and short-run dynamics," Journal of Banking & Finance, Elsevier, vol. 39(C), pages 117-134.
  13. Patrick A. Groenendijk & André Lucas & Casper G. de Vries, 1998. "A Hybrid Joint Moment Ratio Test for Financial Time Series," Tinbergen Institute Discussion Papers 98-104/2, Tinbergen Institute.
  14. Shyh-wei Chen, 2009. "Random walks in asian foreign exchange markets:evidence from new multiple variance ratio tests," Economics Bulletin, AccessEcon, vol. 29(2), pages 1296-1307.
  15. Luger, Richard, 2003. "Exact non-parametric tests for a random walk with unknown drift under conditional heteroscedasticity," Journal of Econometrics, Elsevier, vol. 115(2), pages 259-276, August.
  16. Kim, Jae H. & Shamsuddin, Abul, 2008. "Are Asian stock markets efficient? Evidence from new multiple variance ratio tests," Journal of Empirical Finance, Elsevier, vol. 15(3), pages 518-532, June.
  17. Young-Sook Lee & Tae-Hwan Kim & Paul Newbold, 2005. "Revisiting the Martingale hypothesis for exchange rates," Money Macro and Finance (MMF) Research Group Conference 2005 19, Money Macro and Finance Research Group.
  18. Fong, Wai Mun, 2003. "Time reversibility tests of volume-volatility dynamics for stock returns," Economics Letters, Elsevier, vol. 81(1), pages 39-45, October.
  19. Andreas Lindemann & Christian L. Dunis & Paulo Lisboa, 2005. "Extending the variance ratio test to visualize structure in data: an application to the S&P 100 Index," Applied Financial Economics Letters, Taylor and Francis Journals, vol. 1(3), pages 189-197, May.

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