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What Banks Do And Markets Don't: Cross-subsidization

James (Jim) MacGee () and Thorsten Koeppl ()

No 1052, Working Paper from Economics Department, Queen's University

Abstract: We show that interbank markets are a poor substitute for ``broad'' banks that operate across regions or sectors. In the presence of regional or sectoral asset and liquidity shocks, interbank markets can distribute liquidity efficiently, but fail to respond efficiently to asset shocks. Broad banks can condition on the joint distribution of both shocks and, hence, achieve an efficient internal allocation of capital. This allocation involves the cross-subsidization of loans across regions or sectors. Compared to regional banks that are linked through well-functioning interbank markets, broad banks lead to higher levels of aggregate investment, higher output, and less fluctuations within regions. However, broad banks generate endogenously aggregate uncertainty.

Keywords: Banking Restrictions; Interbank Markets; Universal Banking; Endogenous Uncertainty (search for similar items in EconPapers)
JEL-codes: G21 G28 D80 E44 (search for similar items in EconPapers)
New Economics Papers: this item is included in nep-bec, nep-fin, nep-fmk and nep-mac
Date: 2005-02
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