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Cointegration tests of purchasing power parity

  • Wallace, Frederick

In recent work Im, Lee, and Enders (2006) use stationary instrumental variables to test for cointegrating relationships. The advantage of their approach is that the t-statistics are asymptotically standard normal and the familiar critical values of the normal distribution may be used to assess significance. Thus, the test avoids the nuisance parameter problem in single equation regressions for cointegration. Using an updated version of the data set developed by Taylor (2002), the ILE test is compared to three single equation alternatives in testing for purchasing power parity: An error correction model, autoregressive distributed lag model, and the Engle-Granger two step procedure. The regressions with instruments provide evidence supportive of PPP for some countries but the empirical results differ across tests and the choice of instrument can affect the results.

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Paper provided by University Library of Munich, Germany in its series MPRA Paper with number 18079.

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Date of creation: 01 Oct 2009
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Handle: RePEc:pra:mprapa:18079
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  1. Sarno, Lucio & Taylor, Mark P, 2001. "Purchasing Power Parity and the Real Exchange Rate," CEPR Discussion Papers 2913, C.E.P.R. Discussion Papers.
  2. Kwiatkowski, Denis & Phillips, Peter C. B. & Schmidt, Peter & Shin, Yongcheol, 1992. "Testing the null hypothesis of stationarity against the alternative of a unit root : How sure are we that economic time series have a unit root?," Journal of Econometrics, Elsevier, vol. 54(1-3), pages 159-178.
  3. Lopez, Claude & Murray, Christian J & Papell, David H, 2005. "State of the Art Unit Root Tests and Purchasing Power Parity," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 37(2), pages 361-69, April.
  4. Neil R. Ericsson & James G. MacKinnon, 1999. "Distributions of error correction tests for cointegration," International Finance Discussion Papers 655, Board of Governors of the Federal Reserve System (U.S.).
  5. Kenneth Rogoff, 1996. "The Purchasing Power Parity Puzzle," Journal of Economic Literature, American Economic Association, vol. 34(2), pages 647-668, June.
  6. Alan M. Taylor, 2000. "A Century of Purchasing-Power Parity," NBER Working Papers 8012, National Bureau of Economic Research, Inc.
  7. Alan M. Taylor & Mark Taylor, 2004. "The Purchasing Power Parity Debate," Working Papers 46, University of California, Davis, Department of Economics.
  8. Elena Pesavento, 2005. "Residuals Based Tests for the Null of No Cointegration: An Analytical Comparison," Emory Economics 0503, Department of Economics, Emory University (Atlanta).
  9. Kanas, Angelos, 2006. "Purchasing Power Parity and Markov Regime Switching," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 38(6), pages 1669-1687, September.
  10. Elliott, Graham & Rothenberg, Thomas J & Stock, James H, 1996. "Efficient Tests for an Autoregressive Unit Root," Econometrica, Econometric Society, vol. 64(4), pages 813-36, July.
  11. Frederick Wallace, 2008. "Nonlinear unit root tests of PPP using long-horizon data," Economics Bulletin, AccessEcon, vol. 6(33), pages 1-8.
  12. Lucio Sarno, 2000. "Systematic sampling and real exchange rates," Review of World Economics (Weltwirtschaftliches Archiv), Springer, vol. 136(1), pages 24-57, March.
  13. Mohsen Bahmani-Oskooee & Su Zhou & Ali Kutan, 2007. "A Century of Purchasing Power Parity: Further Evidence," Economics Bulletin, AccessEcon, vol. 6(31), pages 1-9.
  14. Breusch, T S, 1978. "Testing for Autocorrelation in Dynamic Linear Models," Australian Economic Papers, Wiley Blackwell, vol. 17(31), pages 334-55, December.
  15. Sercu, Piet & Uppal, Raman & Van Hulle, Cynthia, 1995. " The Exchange Rate in the Presence of Transaction Costs: Implications for Tests of Purchasing Power Parity," Journal of Finance, American Finance Association, vol. 50(4), pages 1309-19, September.
  16. Frederick H. Wallace & Gary L. Shelley, 2005. "An Alternative Test of Purchasing Power Parity," International Finance 0502009, EconWPA.
  17. Alan M. Taylor, 2000. "Potential Pitfalls for the Purchasing-Power-Parity Puzzle? Sampling and Specification Biases in Mean-Reversion Tests of the Law of One Price," NBER Working Papers 7577, National Bureau of Economic Research, Inc.
  18. 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.
  19. Mohsen Bahmani-Oskooee & Ali M. Kutan & Su Zhou, 2009. "A century of PPP: supportive results from nonlinear unit root tests," Global Business and Economics Review, Inderscience Enterprises Ltd, vol. 11(1), pages 19-27.
  20. O'Connell, Paul G. J. & Wei, Shang-Jin, 2002. ""The bigger they are, the harder they fall": Retail price differences across U.S. cities," Journal of International Economics, Elsevier, vol. 56(1), pages 21-53, January.
  21. Frederick H. Wallace & Rene Lozano Cortes & Luis Fernando Cabrera Castellanos, 2008. "Pruebas de cointegracion de paridad de poder de compra," EconoQuantum, Revista de Economia y Negocios, Universidad de Guadalajara, Centro Universitario de Ciencias Economico Administrativas, Departamento de Metodos Cuantitativos y Maestria en Economia., vol. 4(2), pages 7-25, Enero-Jun.
  22. Pesavento, Elena, 2004. "Analytical evaluation of the power of tests for the absence of cointegration," Journal of Econometrics, Elsevier, vol. 122(2), pages 349-384, October.
  23. Kim, Hyeongwoo & Moh, Young-Kyu, 2010. "A century of purchasing power parity confirmed: The role of nonlinearity," Journal of International Money and Finance, Elsevier, vol. 29(7), pages 1398-1405, November.
  24. Enders, Walter & Im, Kyung So & Lee, Junsoo & Strazicich, Mark C., 2010. "IV threshold cointegration tests and the Taylor rule," Economic Modelling, Elsevier, vol. 27(6), pages 1463-1472, November.
  25. repec:ebl:ecbull:v:6:y:2007:i:31:p:1-9 is not listed on IDEAS
  26. Sarno, Lucio & Valente, Giorgio, 2006. "Deviations from purchasing power parity under different exchange rate regimes: Do they revert and, if so, how?," Journal of Banking & Finance, Elsevier, vol. 30(11), pages 3147-3169, November.
  27. Papell, David H. & Prodan, Ruxandra, 2006. "Additional Evidence of Long-Run Purchasing Power Parity with Restricted Structural Change," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 38(5), pages 1329-1349, August.
  28. Kapetanios, George & Shin, Yongcheol & Snell, Andy, 2003. "Testing for a unit root in the nonlinear STAR framework," Journal of Econometrics, Elsevier, vol. 112(2), pages 359-379, February.
  29. Harris, R. I. D. & Judge, G., 1998. "Small sample testing for cointegration using the bootstrap approach," Economics Letters, Elsevier, vol. 58(1), pages 31-37, January.
  30. Godfrey, Leslie G, 1978. "Testing for Higher Order Serial Correlation in Regression Equations When the Regressors Include Lagged Dependent Variables," Econometrica, Econometric Society, vol. 46(6), pages 1303-10, November.
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