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The Impact of Alternative Forms of Bank Consolidation on Credit Supply and Financial Stability

Author

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  • Tarantino, Emanuele
  • Pavanini, Nicola
  • Mayordomo, Sergio
Abstract
Between 2009 and 2011, the Spanish banking system underwent a restructuring process based on consolidation of savings banks. The program's design allows us to study how alternative forms of consolidation affect credit supply and financial stability. Using detailed data from the Spanish credit registry, we first show that banks consolidating via mergers or business groups are ex-ante comparable with respect to local market's overlap, financial and economic characteristics. We then find that, relative to business groups, the market power of merged banks produced a contraction in credit supply, higher interest rates, but also a reduction in non-performing loans in the economy, in the loans extended to risky firms and in the risk of bank default. To determine the welfare effects of consolidation, we estimate a structural model of credit demand and supply. In our framework, banks compete on interest rates and can ration borrowers. We also allow borrower surplus to depend on banks' default risk. Through counterfactuals, we quantify cost efficiencies and improvements in the risk of default that consolidation should deliver to outweigh welfare losses from reduced credit supply.

Suggested Citation

  • Tarantino, Emanuele & Pavanini, Nicola & Mayordomo, Sergio, 2020. "The Impact of Alternative Forms of Bank Consolidation on Credit Supply and Financial Stability," CEPR Discussion Papers 15069, C.E.P.R. Discussion Papers.
    • Handle: RePEc:cpr:ceprdp:15069
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    More about this item

    JEL classification:

    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
    • G28 - Financial Economics - - Financial Institutions and Services - - - Government Policy and Regulation
    • G32 - Financial Economics - - Corporate Finance and Governance - - - Financing Policy; Financial Risk and Risk Management; Capital and Ownership Structure; Value of Firms; Goodwill
    • G34 - Financial Economics - - Corporate Finance and Governance - - - Mergers; Acquisitions; Restructuring; Corporate Governance

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