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Are mergers among cooperative banks worth a dime? Evidence on post-M&A efficiency in Italy

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  • Paolo Coccorese

    () (University of Salerno)

  • Giovanni Ferri

    () (LUMSA University)

  • Fabiola Spiniello

    (University of Salerno)

Abstract

In this paper we study the intense wave of mergers among Italian mutual cooperative banks (Banche di Credito Cooperativo, BCCs) and try to assess whether those mergers were efficiency-enhancing. For the purpose, we employ a two-step procedure: we first estimate bank-level cost efficiency scores for a large sample of Italian banks in the period 1993-2013 by means of a stochastic frontier approach, then we try to explain the estimated BCCs’ cost efficiency with a set of merger status dummy variables (never merged, before the first merger, merged once, merged twice, etc.) as well as with a vector of control variables. We find that mergers increase mutual banks’ cost efficiency only after a BCC has merged at least three successive times with other BCCs, hence after reaching a remarkably large size. However, we conjecture that this growth in size could harm especially marginal borrowers (i.e. those who are likely to be served by smaller banks but neglected by bigger ones), with a strong and adverse impact on development and inequality and in contrast with BCCs’ ethics and mission.

Suggested Citation

  • Paolo Coccorese & Giovanni Ferri & Fabiola Spiniello, 2017. "Are mergers among cooperative banks worth a dime? Evidence on post-M&A efficiency in Italy," CERBE Working Papers wpC18, CERBE Center for Relationship Banking and Economics.
  • Handle: RePEc:lsa:wpaper:wpc18
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    References listed on IDEAS

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    More about this item

    Keywords

    Banking; Cooperative banks; Mergers; Efficiency;

    JEL classification:

    • D40 - Microeconomics - - Market Structure, Pricing, and Design - - - General
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
    • G34 - Financial Economics - - Corporate Finance and Governance - - - Mergers; Acquisitions; Restructuring; Corporate Governance

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