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Evidence of purchasing power parity for the floating regime period

  • Lopez, Claude

This paper investigates the PPP hypothesis within industrialized countries for the post-Bretton Woods period via two panel unit root tests, the DF-GLS-SUR and the ADF-SUR tests, respectively developed by Lopez (2003) and Levin, Lin and Chu (2002). Both approaches allow for data specific serial and contemporaneous correlation. The results lead to two major conclusions. First, by comparing the two test outcomes, we show the importance of the test power on PPP evidence. Then focusing on the results obtained via the DF-GLS-SUR test, we provide reliably strong evidence of PPP for the floating regime period.

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Article provided by Elsevier in its journal Journal of International Money and Finance.

Volume (Year): 27 (2008)
Issue (Month): 1 (February)
Pages: 156-164

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Handle: RePEc:eee:jimfin:v:27:y:2008:i:1:p:156-164
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  1. Frankel, Jeffrey A. & Rose, Andrew K., 1996. "A panel project on purchasing power parity: Mean reversion within and between countries," Journal of International Economics, Elsevier, vol. 40(1-2), pages 209-224, February.
  2. MacDonald, Ronald, 1996. "Panel unit root tests and real exchange rates," Economics Letters, Elsevier, vol. 50(1), pages 7-11, January.
  3. Hegwood, Natalie D & Papell, David H, 1998. "Quasi Purchasing Power Parity," International Journal of Finance & Economics, John Wiley & Sons, Ltd., vol. 3(4), pages 279-89, October.
  4. Claude Lopez, 2009. "A Panel Unit Root Test with Good Power in Small Samples," Econometric Reviews, Taylor & Francis Journals, vol. 28(4), pages 295-313.
  5. Oh, Keun-Yeob, 1996. "Purchasing power parity and unit root tests using panel data," Journal of International Money and Finance, Elsevier, vol. 15(3), pages 405-418, June.
  6. Jorion, Philippe & Sweeney, Richard J., 1996. "Mean reversion in real exchange rates: evidence and implications for forecasting," Journal of International Money and Finance, Elsevier, vol. 15(4), pages 535-550, August.
  7. 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.
  8. Claude Lopez & David H. Papell, 2003. "Convergence to Purchasing Power Parity at the Commencement of the Euro," University of Cincinnati, Economics Working Papers Series 2003-08, University of Cincinnati, Department of Economics.
  9. Papell, David H., 1997. "Searching for stationarity: Purchasing power parity under the current float," Journal of International Economics, Elsevier, vol. 43(3-4), pages 313-332, November.
  10. Levin, Andrew & Lin, Chien-Fu & James Chu, Chia-Shang, 2002. "Unit root tests in panel data: asymptotic and finite-sample properties," Journal of Econometrics, Elsevier, vol. 108(1), pages 1-24, May.
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