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Banking networks and economic growth: from idiosyncratic shocks to aggregate fluctuations

Author

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  • Kundu, Shohini
  • Vats, Nishant

Abstract

This paper investigates the role of banking networks in the transmission of shocks across borders. Combining banking deregulation in the US with state-level idiosyncratic demand shocks, we show that geographically diversified banks reallocate funds from economies experiencing negative shocks to unaffected regions. Our findings indicate that in the presence of idiosyncratic shocks, financial integration reduces business cycle comovement and synchronizes consumption patterns. Our findings contribute to explaining the Great Moderation and provide empirical support for theories that predict that banking integration facilitates the insurance of region-specific risk and the efficient allocation of resources as markets become more complete. JEL Classification: E32, F36, G21

Suggested Citation

  • Kundu, Shohini & Vats, Nishant, 2025. "Banking networks and economic growth: from idiosyncratic shocks to aggregate fluctuations," Working Paper Series 3019, European Central Bank.
    • Handle: RePEc:ecb:ecbwps:20253019
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    More about this item

    Keywords

    business cycles; economic growth; financial integration; great moderation; idiosyncratic shocks; regional economics;
    All these keywords.

    JEL classification:

    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
    • F36 - International Economics - - International Finance - - - Financial Aspects of Economic Integration
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages

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