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Banks’ maturity transformation: risk, reward, and policy

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  • Pierluigi Bologna

    (Banca d'Italia)

Abstract

The aim of this paper is twofold: first, to study the determinants of banks’ net interest margin with a particular focus on the role of maturity transformation, using a new measure of maturity mismatch; second, to analyse the implications for banks of the relaxation of a binding prudential limit on maturity mismatch, in place in Italy until the mid-2000s. The results show that maturity transformation is an important driver of the net interest margin, as higher maturity transformation is typically associated with higher net interest margin. However, there is a limit to this positive relationship as ‘excessive’ maturity transformation — even without leading to systemic vulnerabilities — has some undesirable implications in terms of higher exposure to interest rate risk and lower net interest margin.

Suggested Citation

  • Pierluigi Bologna, 2017. "Banks’ maturity transformation: risk, reward, and policy," Temi di discussione (Economic working papers) 1159, Bank of Italy, Economic Research and International Relations Area.
    • Handle: RePEc:bdi:wptemi:td_1159_17
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    Cited by:

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    2. Stefan Kerbl & Boris Simunovic & Andreas Wolf, 2019. "Quantifying interest rate risk and the effect of model assumptions behind sight deposits," Financial Stability Report, Oesterreichische Nationalbank (Austrian Central Bank), issue 37, pages 73-85.
    3. Cipollini, Fabrizio & Ielasi, Federica & Querci, Francesca, 2024. "Asset encumbrance in banks: Is systemic risk affected?," Research in International Business and Finance, Elsevier, vol. 67(PA).
    4. Pierluigi Bologna & Wanda Cornacchia & Maddalena Galardo, 2020. "Prudential policies, credit supply and house prices: evidence from Italy," Temi di discussione (Economic working papers) 1294, Bank of Italy, Economic Research and International Relations Area.

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    More about this item

    Keywords

    banks; profitability; maturity transformation; interest rates; macroprudential; microprudential;
    All these keywords.

    JEL classification:

    • E43 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Interest Rates: Determination, Term Structure, and Effects
    • 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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