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How does the stock market value bank diversification? Empirical evidence from Japanese banks

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  • Sawada, Michiru
Abstract
This paper empirically examines the effect of bank’s revenue diversification across different activities on the stock-based return and risk measures using data on the Japanese banking sector. In the analyses, we measure non-interest income share as a measure for revenue diversification of banks. These analyses confirm the positive effect of revenue diversification by increasing non-interest income share on the franchise values of banks, while there is no strong evidence that it reduce bank risks. In contrast, when non-interest income is broken down into its constituent parts—fee income, trading income and other non-interest income—we find that a shift toward fee income-generating business decreases all types of risks (systematic risk, idiosyncratic risk, and total risk). Furthermore, we find that the effects of bank’s revenue diversification on franchise value and risks are contingent on organizational forms and performance of traditional banking business.

Suggested Citation

  • Sawada, Michiru, 2011. "How does the stock market value bank diversification? Empirical evidence from Japanese banks," MPRA Paper 45852, University Library of Munich, Germany, revised Nov 2012.
    • Handle: RePEc:pra:mprapa:45852
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    Cited by:

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    3. Wang, Chunyang & Lin, Yongjia, 2021. "Income diversification and bank risk in Asia Pacific," The North American Journal of Economics and Finance, Elsevier, vol. 57(C).
    4. Jeon, Bang Nam & Wu, Ji & Chen, Limei & Chen, Minghua, 2020. "Diversification, efficiency and risk of banks: New consolidating evidence from emerging economies," School of Economics Working Paper Series 2020-10, LeBow College of Business, Drexel University.
    5. Vo, Xuan Vinh, 2017. "How does the stock market value bank diversification? Evidence from Vietnam," Finance Research Letters, Elsevier, vol. 22(C), pages 101-104.
    6. Ersan Ersoy & Beata Swiecka & Simon Grima & Ercan Özen & Inna Romanova, 2022. "The Impact of ESG Scores on Bank Market Value? Evidence from the U.S. Banking Industry," Sustainability, MDPI, vol. 14(15), pages 1-14, August.
    7. Jouida, Sameh & Bouzgarrou, Houssam & Hellara, Slaheddine, 2017. "The effects of activity and geographic diversification on performance: Evidence from French financial institutions," Research in International Business and Finance, Elsevier, vol. 39(PB), pages 920-939.
    8. Jouida, Sameh, 2018. "Diversification, capital structure and profitability: A panel VAR approach11We are grateful to the editor and the anonymous reviewer for their valuable comments," Research in International Business and Finance, Elsevier, vol. 45(C), pages 243-256.
    9. Baselga-Pascual, Laura & Trujillo-Ponce, Antonio & Cardone-Riportella, Clara, 2015. "Factors influencing bank risk in Europe: Evidence from the financial crisis," The North American Journal of Economics and Finance, Elsevier, vol. 34(C), pages 138-166.
    10. Doan, Anh-Tuan & Lin, Kun-Li & Doong, Shuh-Chyi, 2018. "What drives bank efficiency? The interaction of bank income diversification and ownership," International Review of Economics & Finance, Elsevier, vol. 55(C), pages 203-219.
    11. Manh-Tung Ho & Ngoc-Thang B. Le & Hung-Long D. Tran & Quoc-Hung Nguyen & Manh-Ha Pham & Minh-Hoang Ly & Manh-Toan Ho & Minh-Hoang Nguyen & Quan-Hoang Vuong, 2021. "A Systematic and Critical Review on the Research Landscape of Finance in Vietnam from 2008 to 2020," JRFM, MDPI, vol. 14(5), pages 1-24, May.
    12. Kim, Hakkon & Batten, Jonathan A. & Ryu, Doojin, 2020. "Financial crisis, bank diversification, and financial stability: OECD countries," International Review of Economics & Finance, Elsevier, vol. 65(C), pages 94-104.
    13. Wu, Ji & Chen, Limei & Chen, Minghua & Jeon, Bang Nam, 2020. "Diversification, efficiency and risk of banks: Evidence from emerging economies," Emerging Markets Review, Elsevier, vol. 45(C).
    14. Piyadasa Edirisuriya & Abeyratna Gunasekarage & Michael Dempsey, 2015. "Australian Specific Bank Features and the Impact of Income Diversification on Bank Performance and Risk," Australian Economic Papers, Wiley Blackwell, vol. 54(2), pages 63-87, June.
    15. Carl R. Chen & Ying Sophie Huang & Ting Zhang, 2017. "Non-interest Income, Trading, and Bank Risk," Journal of Financial Services Research, Springer;Western Finance Association, vol. 51(1), pages 19-53, February.
    16. Williams, Barry & Rajaguru, Gulasekaran, 2022. "The evolution of bank revenue and risk in the Asia-Pacific Region," Pacific-Basin Finance Journal, Elsevier, vol. 71(C).
    17. Tran, Dung Viet & Hoang, Khanh & Nguyen, Cuong, 2021. "How does economic policy uncertainty affect bank business models?," Finance Research Letters, Elsevier, vol. 39(C).
    18. Harimaya, Kozo & Ozaki, Yasufumi, 2021. "Effects of diversification on bank efficiency: Evidence from Shinkin banks in Japan," International Review of Economics & Finance, Elsevier, vol. 71(C), pages 700-717.
    19. Haykel Zouaoui & Faten Zoghlami, 2023. "What do we know about the impact of income diversification on bank performance? A systematic literature review," Journal of Banking Regulation, Palgrave Macmillan, vol. 24(3), pages 286-309, September.

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    More about this item

    Keywords

    Revenue diversification; Bank stock return; Bank risk; Franchise value;
    All these keywords.

    JEL classification:

    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • 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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