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Purchasing Power Parity in South Asia: A Panel Data Approach

  • Noman, Abdullah

The paper tests for PPP by investigating into the real exchange rates of seven South Asian countries. It employs two univariate unit root tests, namely, the ADF and the PP tests and two panel unit root tests, namely, the IPS and the CIPS tests. The univariate tests overwhelmingly fail to reject the unit root null. The IPS test also reinforces this result. The CIPS test that takes into account of cross section dependence produces mixed results. The findings, on the whole, fail to support stationarity of the South Asian real exchange rates and hence, PPP does not seem to be a valid proposition for the region.

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File URL: http://mpra.ub.uni-muenchen.de/7824/1/MPRA_paper_7824.pdf
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Paper provided by University Library of Munich, Germany in its series MPRA Paper with number 7824.

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Date of creation: 17 Mar 2008
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Handle: RePEc:pra:mprapa:7824
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  1. Coakley, Jerry & Fuertes, Ana Maria, 1997. "New panel unit root tests of PPP," Economics Letters, Elsevier, vol. 57(1), pages 17-22, November.
  2. Coakley, Jerry & Kellard, Neil & Snaith, Stuart, 2005. "The PPP debate: Price matters!," Economics Letters, Elsevier, vol. 88(2), pages 209-213, August.
  3. Alan M. Taylor & Mark P. Taylor, 2004. "The Purchasing Power Parity Debate," NBER Working Papers 10607, National Bureau of Economic Research, Inc.
  4. Lothian, James R & Taylor, Mark P, 1996. "Real Exchange Rate Behavior: The Recent Float from the Perspective of the Past Two Centuries," Journal of Political Economy, University of Chicago Press, vol. 104(3), pages 488-509, June.
  5. M. Hashem Pesaran & Badi H. Baltagi, 2007. "Heterogeneity and cross section dependence in panel data models: theory and applications introduction," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 22(2), pages 229-232.
  6. Drine, Imed & Rault, Christophe, 2007. "Purchasing Power Parity for Developing and Developed Countries: What Can We Learn from Non-Stationary Panel Data Models?," IZA Discussion Papers 2887, Institute for the Study of Labor (IZA).
  7. M. Hashem Pesaran, 2007. "A simple panel unit root test in the presence of cross-section dependence," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 22(2), pages 265-312.
  8. Peter Pedroni, 2001. "Purchasing Power Parity Tests in Cointegrated Panels," Department of Economics Working Papers 2001-01, Department of Economics, Williams College.
  9. Jörg Breitung & Bertrand Candelon, 2005. "Purchasing Power Parity during Currency Crises: A Panel Unit Root Test under Structural Breaks," Review of World Economics (Weltwirtschaftliches Archiv), Springer, vol. 141(1), pages 124-140, April.
  10. M. Hashem Pesaran, 2004. "General Diagnostic Tests for Cross Section Dependence in Panels," CESifo Working Paper Series 1229, CESifo Group Munich.
  11. Im, Kyung So & Pesaran, M. Hashem & Shin, Yongcheol, 2003. "Testing for unit roots in heterogeneous panels," Journal of Econometrics, Elsevier, vol. 115(1), pages 53-74, July.
  12. Sarno, Lucio & Taylor, Mark P, 2001. "Purchasing Power Parity and the Real Exchange Rate," CEPR Discussion Papers 2913, C.E.P.R. Discussion Papers.
  13. Jeffrey A. Frankel, 1985. "International Capital Mobility and Crowding Out in the U.S. Economy: Imperfect Integration of Financial Markets or of Goods Markets?," NBER Working Papers 1773, National Bureau of Economic Research, Inc.
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