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Rethinking economic capital management through the integrated derivative-based treatment of interest rate and credit risk

Author

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  • Mariya Gubareva

    (Polytechnic Institute of Lisbon
    Universidade de Lisboa)

  • Maria Rosa Borges

    (Universidade de Lisboa
    UECE - Research Unit on Complexity and Economics)

Abstract

This research revisits the economic capital management regarding banking books of financial institutions exposed to the emerging market sovereign debt. We develop a derivative-based integrated approach to quantify economic capital requirements for considered jointly interest rate and credit risk. Our framework represents a major contribution to the empirical aspects of capital management. The proposed innovative modeling allows applying standard historic value-at-risk techniques developed for stand-alone risk factors to evaluate aggregate impacts of several risks. We use the time-series of credit default swap spreads and interest rate swap rates as proxy measures for credit risk and interest rate risk, respectively. An elasticity of interest rate risk and credit risk, considered a function of the business cycle phases, maturity of instruments, creditworthiness, and other macroeconomic parameters, is gauged by means of numerical modeling. Our contribution to the new economic thinking regarding the interest rate risk and credit rate risk management consists in their integrated treatment as the dynamics of interest rate and credit spreads is found to demonstrate the features of automatic stabilizers of each other. This research sheds light on how financial institutions may address hedge strategies against downside risks. It is of special importance for emerging markets heavily dependent on foreign capital as it potentially allows emerging market banks to improve risk management practices in terms of capital adequacy and Basel III rules. From the regulatory perspective, by taking into account inter-risk diversification effects it allows enhancing financial stability through jointly optimizing Pillar 1 and Pillar 2 economic capital.

Suggested Citation

  • Mariya Gubareva & Maria Rosa Borges, 2018. "Rethinking economic capital management through the integrated derivative-based treatment of interest rate and credit risk," Annals of Operations Research, Springer, vol. 266(1), pages 71-100, July.
    • Handle: RePEc:spr:annopr:v:266:y:2018:i:1:d:10.1007_s10479-017-2438-y
    DOI: 10.1007/s10479-017-2438-y
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    References listed on IDEAS

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    Cited by:

    1. Gubareva, Mariya & Borges, Maria Rosa, 2020. "Switching interest rate sensitivity regimes of U.S. Corporates," The North American Journal of Economics and Finance, Elsevier, vol. 54(C).
    2. González, Oliver & Keddad, Benjamin, 2024. "The Piggy Bank Index: An intuitive risk measure to assess liquidity and capital adequacy in banks," Finance Research Letters, Elsevier, vol. 60(C).
    3. Mariya Gubareva & Benjamin Keddad, 2022. "Emerging markets financial sector debt: A Markov‐switching study of interest rate sensitivity," International Journal of Finance & Economics, John Wiley & Sons, Ltd., vol. 27(4), pages 3851-3863, October.
    4. Mariya Gubareva, 2019. "Weight of the Default Component of CDS Spreads: Avoiding Procyclicality in Credit Loss Provisioning Framework," Complexity, Hindawi, vol. 2019, pages 1-19, July.
    5. Mariya Gubareva & Maria Rosa Borges, 2022. "Governed by the cycle: interest rate sensitivity of emerging market corporate debt," Annals of Operations Research, Springer, vol. 313(2), pages 991-1019, June.
    6. Mariya Gubareva, 2018. "Historical Interest Rate Sensitivity of Emerging Market Sovereign Debt: Evidence of Regime Dependent Behavior," Annals of Economics and Finance, Society for AEF, vol. 19(2), pages 405-442, November.
    7. Deshun Xu & Junhai Ma, 2018. "The Credit Asset of Enterprise Accounts Receivable Pricing Model," Complexity, Hindawi, vol. 2018, pages 1-16, October.

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    More about this item

    Keywords

    Emerging markets; Integrated risk modeling; Interest rate risk; Credit risk; Downside risk management; Economic capital;
    All these keywords.

    JEL classification:

    • G15 - Financial Economics - - General Financial Markets - - - International Financial Markets
    • G10 - Financial Economics - - General Financial Markets - - - General (includes Measurement and Data)
    • F39 - International Economics - - International Finance - - - Other

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