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Evidence on the Purchasing Power Parity in Panel of Cities

  • Tomas del Barrio

    ()

  • Josep Ll Carrion

    ()

  • Enrique Lopez-Bazo

    ()

The power purchasing parity (PPP) hypothesis and the law of one price (LOP) predict (long-run) price equalization across the space. In the absence of market frictions and transport costs, arbitrage should guarantee the same price, in a common currency, for a given commodity in different locations. Contradictory evidence has been reported at the international level, though generally concluding large and persistent price deviations. In this paper we show that long-run price convergence cannot be rejected in a sample of Spanish cities over a long period of time, using newly developed non-stationary panel data techniques. Robust estimates show an important dispersion of half lives in the Spanish cities. The paper also includes the analysis of the causes behind price deviations across the sample of cities.

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File URL: http://www-sre.wu-wien.ac.at/ersa/ersaconfs/ersa03/cdrom/papers/273.pdf
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Paper provided by European Regional Science Association in its series ERSA conference papers with number ersa03p273.

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Date of creation: Aug 2003
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Handle: RePEc:wiw:wiwrsa:ersa03p273
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  1. Papell, David H & Theodoridis, Hristos, 2001. "The Choice of Numeraire Currency in Panel Tests of Purchasing Power Parity," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 33(3), pages 790-803, August.
  2. Charles Engel & John H. Rogers, 1999. "Deviations from Purchasing Power Parity:Causes and Welfare Costs," Working Papers 0038, University of Washington, Department of Economics.
  3. Andrews, Donald W K & Chen, Hong-Yuan, 1994. "Approximately Median-Unbiased Estimation of Autoregressive Models," Journal of Business & Economic Statistics, American Statistical Association, vol. 12(2), pages 187-204, April.
  4. Abuaf, Niso & Jorion, Philippe, 1990. " Purchasing Power Parity in the Long Run," Journal of Finance, American Finance Association, vol. 45(1), pages 157-74, March.
  5. David C. Parsley & Shang-Jin Wei, 1996. "Convergence to the Law of One Price Without Trade Barriers or Currency Fluctuations," NBER Working Papers 5654, National Bureau of Economic Research, Inc.
  6. Antonio Montanes & Jesus Clemente, 1999. "Real exchange rates and structural breaks: evidence for the Spanish peseta," Applied Economics Letters, Taylor & Francis Journals, vol. 6(6), pages 349-352.
  7. Murray, Christian J. & Papell, David H., 2002. "The purchasing power parity persistence paradigm," Journal of International Economics, Elsevier, vol. 56(1), pages 1-19, January.
  8. Kenneth A. Froot & Kenneth Rogoff, 1994. "Perspectives on PPP and Long-Run Real Exchange Rates," NBER Working Papers 4952, National Bureau of Economic Research, Inc.
  9. Pasaran, M.H. & Im, K.S. & Shin, Y., 1995. "Testing for Unit Roots in Heterogeneous Panels," Cambridge Working Papers in Economics 9526, Faculty of Economics, University of Cambridge.
  10. Ghysels, Eric & Lee, Hahn S. & Noh, Jaesum, 1994. "Testing for unit roots in seasonal time series : Some theoretical extensions and a Monte Carlo investigation," Journal of Econometrics, Elsevier, vol. 62(2), pages 415-442, June.
  11. Chen, L. L. & Devereux, J., 2003. "What can US city price data tell us about purchasing power parity?," Journal of International Money and Finance, Elsevier, vol. 22(2), pages 213-222, April.
  12. Stephen G. Cecchetti & Nelson C. Mark & Robert J. Sonora, 2002. "Price Index Convergence Among United States Cities," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 43(4), pages 1081-1099, November.
  13. Corbae, Dean & Ouliaris, Sam, 1991. "A Test of Long-Run Purchasing Power Parity Allowing for Structural Breaks," The Economic Record, The Economic Society of Australia, vol. 67(196), pages 26-33, March.
  14. Cheung, Yin-Wong & Lai, Kon S., 2000. "On the purchasing power parity puzzle," Journal of International Economics, Elsevier, vol. 52(2), pages 321-330, December.
  15. Fleissig, Adrian R. & Strauss, Jack, 2000. "Panel unit root tests of purchasing power parity for price indices," Journal of International Money and Finance, Elsevier, vol. 19(4), pages 489-506, August.
  16. Andrews, Donald W K, 1993. "Exactly Median-Unbiased Estimation of First Order Autoregressive/Unit Root Models," Econometrica, Econometric Society, vol. 61(1), pages 139-65, January.
  17. 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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