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Limits to international banking consolidation

Hans Peter Grüner and Falko Fecht

No 2006,11, Discussion Paper Series 2: Banking and Financial Studies from Deutsche Bundesbank

Abstract: Heterogenous banking supervision and regulation is often considered as the most important impediment for Pan-European Bank mergers. In this paper we identify other more fundamental reasons for a limited degree of cross-country integration in retail banking. We argue that the distribution of regional liquidity shocks may pose a natural limit to the extent of cross-border bank mergers. The paper derives the impact of different underlying stochastic structures on the optimal structure of cross regional bank mergers. Imposing a symmetry restriction on the underlying stochastic structure of liquidity shocks we find that benefits from diversification and the costs of contagion may be optimally traded off if banks from some but not from all regions merge. Under an additional monotonicity assumption full integration is only desirable if the number of regions with diverse risks is sufficiently large.

Keywords: Bank Mergers; Financial Integration; Liquidity Transformation; Liquidity Crisis; Risk Sharing (search for similar items in EconPapers)
JEL-codes: D61 E44 G21 (search for similar items in EconPapers)
Date: 2006
New Economics Papers: this item is included in nep-ban, nep-com and nep-mac
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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Journal Article: Limits to International Banking Consolidation (2008) Downloads
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