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Does the Law of One Price Hold in Euro-Area Retail Banking? An Empirical Analysis of Interest Rate Differentials across the Monetary Union

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  • Massimiliano Affinito

    (Bank of Italy)

  • Fabio Farabullini

    (Bank of Italy)

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    Abstract

    To measure integration, economic theory provides a clear background regarding price convergence: the law of one price. This paper is the first test of this law in euro-area retail banking. Since the law can be verified only on similar assets, we use recent harmonized data and a methodology that renders banking products homogeneous across countries, controlling for national factors. Econometric results signal that rates differ, and that markets are still segmented, because banking services are differentiated. Since supply factors play a driving role, there is room for improved integration. Moreover, where bank customers are stronger, rates are more homogeneous.

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    Bibliographic Info

    Article provided by International Journal of Central Banking in its journal International Journal of Central Banking.

    Volume (Year): 5 (2009)
    Issue (Month): 1 (March)
    Pages: 5-37

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    Handle: RePEc:ijc:ijcjou:y:2009:q:1:a:1

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    Cited by:
    1. Ana María Iregui & Jesús Otero, 2012. "Testing the law of one price in retail banking: An analysis for Colombia using a pair-wise approach," BORRADORES DE ECONOMIA 009981, BANCO DE LA REPÚBLICA.
    2. Anton, Sorin Gabriel & Avadanei, Andreea, 2010. "The implications of European retail banking integration on small and medium-sized enterprises financing. An overview," MPRA Paper 28660, University Library of Munich, Germany.
    3. Wagenvoort, Rien & Ebner, André & Morgese Borys, Magdalena, 2009. "A factor analysis approch to measuring European loan and bond market integration," Discussion Papers in Economics 11071, University of Munich, Department of Economics.
    4. Affinito, Massimiliano, 2012. "Do interbank customer relationships exist? And how did they function in the crisis? Learning from Italy," Journal of Banking & Finance, Elsevier, vol. 36(12), pages 3163-3184.
    5. Massimiliano Affinito, 2011. "Convergence clubs, the euro-area rank and the relationship between banking and real convergence," Temi di discussione (Economic working papers) 809, Bank of Italy, Economic Research and International Relations Area.

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