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Aggregate price indexes, cointegration, and tests of the purchasing power parity hypothesis

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  • Johnson, Paul A.

Abstract

In this paper I show that cointegration tests of PPP using aggregate price indexes are not always robust to changes in relative prices. I offer a method of gauging the importance of these effects and find them to be unimportant in recent rejections of PPP.

Suggested Citation

  • Johnson, Paul A., 1991. "Aggregate price indexes, cointegration, and tests of the purchasing power parity hypothesis," Economics Letters, Elsevier, vol. 36(3), pages 305-309.
    • Handle: RePEc:eee:ecolet:v:36:y:1991:i:3:p:305-309
    DOI: 10.1016/0165-1765(91)90038-M
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    References listed on IDEAS

    as
    1. 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 504-508, August.
    2. McNown, Robert & S. Wallace, Myles, 1989. "National price levels, purchasing power parity, and cointegration: a test of four high inflation economies," Journal of International Money and Finance, Elsevier, vol. 8(4), pages 533-545, December.
    3. Layton, Allan P. & Stark, Jonathan P., 1990. "Co-integration as an empirical test of purchasing power parity," Journal of Macroeconomics, Elsevier, vol. 12(1), pages 125-136.
    4. Corbae, Dean & Ouliaris, Sam, 1988. "Cointegration and Tests of Purchasing Power Parity," The Review of Economics and Statistics, MIT Press, vol. 70(3), pages 508-511, August.
    5. Enders, Walter, 1989. "Unit roots and the real exchange rate before World War I: the case of Britain and the USA," Journal of International Money and Finance, Elsevier, vol. 8(1), pages 59-73, March.
    6. Phillips, Peter C B & Ouliaris, S, 1990. "Asymptotic Properties of Residual Based Tests for Cointegration," Econometrica, Econometric Society, vol. 58(1), pages 165-193, January.
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    Cited by:

    1. Rogers, John H. & Jenkins, Michael, 1995. "Haircuts or hysteresis? Sources of movements in real exchange rates," Journal of International Economics, Elsevier, vol. 38(3-4), pages 339-360, May.
    2. Zenon Wisniewski, 2021. "Long-Term Relationship Between Prices and Exchange Rates," European Research Studies Journal, European Research Studies Journal, vol. 0(1), pages 63-86.
    3. Froot, Kenneth A. & Rogoff, Kenneth, 1995. "Perspectives on PPP and long-run real exchange rates," Handbook of International Economics, in: G. M. Grossman & K. Rogoff (ed.), Handbook of International Economics, edition 1, volume 3, chapter 32, pages 1647-1688, Elsevier.
    4. Xu, Zhenhui, 2003. "Purchasing power parity, price indices, and exchange rate forcasts," Journal of International Money and Finance, Elsevier, vol. 22(1), pages 105-130, February.
    5. Francisco Ledesma & Manuel Navarro & Jorge Perez & Simón Sosvilla, 1998. "Purchasing power parity and uncovered interest parity: The Spanish case," International Advances in Economic Research, Springer;International Atlantic Economic Society, vol. 4(4), pages 335-348, November.

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