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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Paper provided by European Regional Science Association in its series ERSA conference papers with number
ersa03p273.
References listed on IDEAS Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
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.
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