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Diversification of Geographic Risk in Retail Bank Networks: Evidence from Bank Expansion after the Riegle-Neal Act

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  • Victor Aguirregabiria
  • Robert Clark
  • Hui Wang

Abstract

The 1994 Riegle Neal (RN) Act removed interstate banking restrictions in the US. The primary motivation was to permit geographic risk diversification (GRD). Using a factor model to measure banks' geographic risk, we show that RN expanded GRD possibilities in small states, but that few banks took advantage. Using our measure of geographic risk and a revealed preference approach, we identify preferences towards GRD separately from the contribution of other factors to branch network configuration. Risk has a negative effect on bank value, but this has been counterbalanced by economies of density/scale, reallocation/merging costs, and concerns for local market power.

Suggested Citation

  • Victor Aguirregabiria & Robert Clark & Hui Wang, 2012. "Diversification of Geographic Risk in Retail Bank Networks: Evidence from Bank Expansion after the Riegle-Neal Act," Working Papers tecipa-465, University of Toronto, Department of Economics.
  • Handle: RePEc:tor:tecipa:tecipa-465
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    References listed on IDEAS

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    Cited by:

    1. Goetz, Martin R. & Laeven, Luc & Levine, Ross, 2016. "Does the geographic expansion of banks reduce risk?," Journal of Financial Economics, Elsevier, vol. 120(2), pages 346-362.
    2. Mark Egan & Ali Hortaçsu & Gregor Matvos, 2017. "Deposit Competition and Financial Fragility: Evidence from the US Banking Sector," American Economic Review, American Economic Association, pages 169-216.
    3. Alfredo Martín Oliver & Sonia Ruano Pardo & Vicente Salas Fumás, 2014. "Productivity and welfare: an application to the Spanish banking industry," Working Papers 1426, Banco de España;Working Papers Homepage.
    4. Leonardo Gambacorta & Luigi Guiso & Paolo Mistrulli & Andrea Pozzi & Anton Tsoy, 2017. "The Cost of Distorted Financial Advice - Evidence from the Mortgage Market," EIEF Working Papers Series 1713, Einaudi Institute for Economics and Finance (EIEF), revised Oct 2017.
    5. Martin Goetz & Luc Laeven & Ross Levine, 2014. "Does the Geographic Expansion of Bank Assets Reduce Risk?," NBER Working Papers 20758, National Bureau of Economic Research, Inc.
    6. Victor Aguirregabiria & Junichi Suzuki, 2015. "Empirical Games of Market Entry and Spatial Competition in Retail Industries," Working Papers tecipa-534, University of Toronto, Department of Economics.
    7. Pérez Montes, Carlos, 2014. "The effect on competition of banking sector consolidation following the financial crisis of 2008," Journal of Banking & Finance, Elsevier, vol. 43(C), pages 124-136.

    More about this item

    Keywords

    Geographic risk diversification; Retail banking; Oligopoly competition; Branch networks; Riegle Neal Act;

    JEL classification:

    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • L51 - Industrial Organization - - Regulation and Industrial Policy - - - Economics of Regulation
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages

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