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Capital Requirement and Financial Frictions in Banking: Macroeconomic Implications

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  • Ali Dib

Abstract

The author develops a dynamic stochastic general-equilibrium model with an active banking sector, a financial accelerator, and financial frictions in the interbank and bank capital markets. He investigates the importance of banking sector frictions on business cycle fluctuations and assesses the role of a regulatory capital requirement in propagating the effects of shocks in the real economy. Bank capital is introduced to satisfy the regulatory capital requirement, and serves as collateral for borrowing in the interbank market. Financial frictions are introduced by assuming asymmetric information between lenders and borrowers that creates moral hazard and adverse selection problems in the interbank and bank capital markets, respectively. Highly leveraged banks are vulnerable and therefore pay higher costs when raising funds. The author finds that financial frictions in the interbank and bank capital markets amplify and propagate the effects of shocks; however, the capital requirement attenuates the real impacts of aggregate shocks (including financial shocks), reduces macroeconomic volatilities, and stabilizes the economy.

Suggested Citation

  • Ali Dib, 2010. "Capital Requirement and Financial Frictions in Banking: Macroeconomic Implications," Staff Working Papers 10-26, Bank of Canada.
  • Handle: RePEc:bca:bocawp:10-26
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    Cited by:

    1. Hristov, Nikolay & Hülsewig, Oliver, 2017. "Unexpected loan losses and bank capital in an estimated DSGE model of the euro area," Journal of Macroeconomics, Elsevier, vol. 54(PB), pages 161-186.
    2. Sami Alpanda & Gino Cateau & Césaire Meh, 2018. "A policy model to analyze macroprudential regulations and monetary policy," Canadian Journal of Economics/Revue canadienne d'économique, John Wiley & Sons, vol. 51(3), pages 828-863, August.
    3. Fabia Carvalho & Fabia A. de Carvalho & Silvio Michael de Azevedo Costa & Marcos Ribeiro de Castro, 2013. "Traditional and matter-of-fact financial frictions in a DSGE model for Brazil: the role of macroprudential instruments and monetary policy," EcoMod2013 5145, EcoMod.
    4. Suh, Hyunduk, 2014. "Dichotomy between macroprudential policy and monetary policy on credit and inflation," Economics Letters, Elsevier, vol. 122(2), pages 144-149.
    5. Yaprak Tavman, 2015. "A comparative analysis of macroprudential policies," Oxford Economic Papers, Oxford University Press, vol. 67(2), pages 334-355.
    6. Badarau, Cristina & Popescu, Alexandra, 2014. "Monetary policy and credit cycles: A DSGE analysis," Economic Modelling, Elsevier, vol. 42(C), pages 301-312.
    7. Hamed Ghiaie & Hamidreza Tabarraei & Asghar Shahmoradi, 2021. "Financial rigidities and oil‐based business cycles," International Journal of Finance & Economics, John Wiley & Sons, Ltd., vol. 26(4), pages 5183-5196, October.
    8. Kozicki, Sharon, 2012. "Macro has progressed," Journal of Macroeconomics, Elsevier, vol. 34(1), pages 23-28.
    9. Natalie Tiernan & Pedro Gete, 2014. "Overlending and Macroprudential Tools," 2014 Meeting Papers 379, Society for Economic Dynamics.
    10. George J. Bratsiotis & William J. Tayler & Roy Zilberman, 2014. "Financial Regulation, Credit and Liquidity Policy and the Business Cycle," Centre for Growth and Business Cycle Research Discussion Paper Series 196, Economics, The University of Manchester.
    11. Jondeau, Eric & Khalilzadeh, Amir, 2017. "Collateralization, leverage, and stressed expected loss," Journal of Financial Stability, Elsevier, vol. 33(C), pages 226-243.
    12. Eric Jondeau & Jean-Guillaume Sahuc, 2018. "A General Equilibrium Appraisal of Capital Shortfall," Swiss Finance Institute Research Paper Series 18-12, Swiss Finance Institute, revised Feb 2018.
    13. Jondeau, Eric & Sahuc, Jean-Guillaume, 2022. "Bank capital shortfall in the euro area," Journal of Financial Stability, Elsevier, vol. 62(C).
    14. Mr. Hamid R Tabarraei & Abdelaziz Rouabah & Olivier Pierrard, 2019. "Sovereigns and Financial Intermediaries Spillovers," IMF Working Papers 2019/043, International Monetary Fund.
    15. Badarau, Cristina & Levieuge, Grégory, 2011. "Assessing the effects of financial heterogeneity in a monetary union a DSGE approach," Economic Modelling, Elsevier, vol. 28(6), pages 2451-2461.
    16. Sebastian Krug & Matthias Lengnick & Hans-Werner Wohltmann, 2014. "The impact of Basel III on financial (in)stability: an agent-based credit network approach," Quantitative Finance, Taylor & Francis Journals, vol. 15(12), pages 1917-1932, December.
    17. Li, Boyao, 2017. "The impact of the Basel III liquidity coverage ratio on macroeconomic stability: An agent-based approach," Economics Discussion Papers 2017-2, Kiel Institute for the World Economy (IfW Kiel).

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    More about this item

    Keywords

    Economic models; Business fluctuations and cycles; Financial markets; Financial stability;
    All these keywords.

    JEL classification:

    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • G1 - Financial Economics - - General Financial Markets

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