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A Note on Bank Capital Buffer, Portfolio Risk and Business Cycle

Author

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  • Sine KONTBAY BUSUN

    (Dokuz Eylül University, Faculty of Business, Department of Economics)

  • Adnan KASMAN

    (Dokuz Eylül University, Faculty of Business, Department of Economics)

Abstract

This paper examines the impact of business cycle on bank capital buffer and portfolio risk using quarterly data for commercial banks operating in the Turkish banking industry for the period 2002Q1-2012Q2. The results indicate that the business cycle and capital buffer are negatively related, suggesting that banks’ capital buffers increase (decrease) as economic conditions worsen (improve). The results also indicate that banks default risk has a positive and significant impact on capital buffer, while capital buffer has a negative and significant impact on default risk. The results further suggest that banks do not benefit from revenue diversification and larger banks hold less capital buffer. Finally, banks that earn higher profit hold more capital buffer and banks that make more profit are exposed to less risk.

Suggested Citation

  • Sine KONTBAY BUSUN & Adnan KASMAN, 2015. "A Note on Bank Capital Buffer, Portfolio Risk and Business Cycle," Ege Academic Review, Ege University Faculty of Economics and Administrative Sciences, vol. 15(1), pages 1-7.
    • Handle: RePEc:ege:journl:v:15:y:2015:i:1:p:1-7
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    Cited by:

    1. Samina RIAZ & Venus Khim-Sen LIEW & Rossazana Bt Ab RAHIM, 2019. "The Impact of Business Cycle on Pakistani Banks Capital Buffer and Portfolio Risk," Journal for Economic Forecasting, Institute for Economic Forecasting, vol. 0(1), pages 57-71, March.
    2. Carvallo Valencia, Oscar & Ortiz Bolaños, Alberto, 2018. "Bank capital buffers around the world: Cyclical patterns and the effect of market power," Journal of Financial Stability, Elsevier, vol. 38(C), pages 119-131.
    3. Lin, Karen Lai Kai, 2020. "The Cyclical Patterns of Capital Buffers: Evidence from Japanese Banks," Hitotsubashi Journal of commerce and management, Hitotsubashi University, vol. 53(1), pages 49-68, February.
    4. Johannes P S Sheefeni, 2022. "Bank Capital Buffers and Bank Risks: Evidence from the Namibian Banking Sector," International Journal of Business and Economic Sciences Applied Research (IJBESAR), International Hellenic University (IHU), Kavala Campus, Greece (formerly Eastern Macedonia and Thrace Institute of Technology - EMaTTech), vol. 15(3), pages 60-68, December.
    5. Kolade Sunday Adesina & John Muteba Mwamba, 2016. "Do Basel III Higher Common Equity Capital Requirements Matter for Bank Risk-taking Behaviour? Lessons from South Africa," African Development Review, African Development Bank, vol. 28(3), pages 319-331, September.
    6. Carvallo, Oscar & Kasman, Adnan & Kontbay-Busun, Sine, 2015. "The Latin American bank capital buffers and business cycle: Are they pro-cyclical?," Journal of International Financial Markets, Institutions and Money, Elsevier, vol. 36(C), pages 148-160.

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    More about this item

    Keywords

    Capital buffer; portfolio risk; business cycle; Turkish banking;
    All these keywords.

    JEL classification:

    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
    • G32 - Financial Economics - - Corporate Finance and Governance - - - Financing Policy; Financial Risk and Risk Management; Capital and Ownership Structure; Value of Firms; Goodwill

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