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Real interest rates, bank borrowing, and fragility

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  • Ahnert, Toni
  • Anand, Kartik
  • König, Philipp Johann

Abstract

How do real interest rates affect financial fragility? We study this issue in a model in which bank borrowing is subject to rollover risk. A bank’s optimal borrowing trades off the benefit from investing additional funds into profitable assets with the cost of greater risk of a run by bank creditors. Changes in the interest rate affect the price and amount of borrowing, both of which influence bank fragility in opposite directions. Thus, the marginal impact of changes to the interest rate on bank fragility depends on the level of the interest rate. Finally, we derive testable implications that may guide future empirical work. JEL Classification: G01, G21, G28

Suggested Citation

  • Ahnert, Toni & Anand, Kartik & König, Philipp Johann, 2022. "Real interest rates, bank borrowing, and fragility," Working Paper Series 2755, European Central Bank.
    • Handle: RePEc:ecb:ecbwps:20222755
    Note: 848910
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    More about this item

    Keywords

    bank borrowing; fragility; funding liquidity risk channel; global games; real interest rates; rollover risk;
    All these keywords.

    JEL classification:

    • G01 - Financial Economics - - General - - - Financial Crises
    • 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

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