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

  • Sawada, Michiru
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    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.

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    File URL: https://mpra.ub.uni-muenchen.de/45852/1/MPRA_paper_45852.pdf
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    Paper provided by University Library of Munich, Germany in its series MPRA Paper with number 45852.

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    Date of creation: Nov 2011
    Date of revision: Nov 2012
    Handle: RePEc:pra:mprapa:45852
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    1. Jose Manuel Campa & Simi Kedia, 2002. "Explaining the Diversification Discount," Journal of Finance, American Finance Association, vol. 57(4), pages 1731-1762, 08.
    2. Elsas, Ralf & Hackethal, Andreas & Holzhäuser, Markus, 2010. "The anatomy of bank diversification," Journal of Banking & Finance, Elsevier, vol. 34(6), pages 1274-1287, June.
    3. Lang, Larry H P & Stulz, Rene M, 1994. "Tobin's q, Corporate Diversification, and Firm Performance," Journal of Political Economy, University of Chicago Press, vol. 102(6), pages 1248-80, December.
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    5. Berger, Allen N. & Hasan, Iftekhar & Zhou, Mingming, 2010. "The effects of focus versus diversification on bank performance: Evidence from Chinese banks," Journal of Banking & Finance, Elsevier, vol. 34(7), pages 1417-1435, July.
    6. Berger, Allen N. & Hasan, Iftekhar & Zhou, Mingming, 2010. "The effects of focus versus diversification on bank performance: Evidence from Chinese banks," BOFIT Discussion Papers 4/2010, Bank of Finland, Institute for Economies in Transition.
    7. Jeremy C. Stein, 2002. "Information Production and Capital Allocation: Decentralized versus Hierarchical Firms," Journal of Finance, American Finance Association, vol. 57(5), pages 1891-1921, October.
    8. Laeven, Luc & Levine, Ross, 2007. "Is there a diversification discount in financial conglomerates?," Journal of Financial Economics, Elsevier, vol. 85(2), pages 331-367, August.
    9. Raghuram Rajan & Henry Servaes & Luigi Zingales, . "The Cost of Diversity: The Diversification Discount and Inefficient Investment," CRSP working papers 463, Center for Research in Security Prices, Graduate School of Business, University of Chicago.
    10. Schmid, Markus M. & Walter, Ingo, 2009. "Do financial conglomerates create or destroy economic value?," Journal of Financial Intermediation, Elsevier, vol. 18(2), pages 193-216, April.
    11. Nobuyoshi Yamori & Kozo Harimaya & Kazumine Kondo, 2003. "Are Banks Affiliated with Bank Holding Companies More Efficient Than Independent Banks? The Recent Experience Regarding Japanese Regional BHCs," Asia-Pacific Financial Markets, Springer, vol. 10(4), pages 359-376, December.
    12. De Jonghe, Olivier & Vennet, Rudi Vander, 2008. "Competition versus efficiency: What drives franchise values in European banking?," Journal of Banking & Finance, Elsevier, vol. 32(9), pages 1820-1835, September.
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    14. Vander Vennet, Rudi, 2002. "Cost and Profit Efficiency of Financial Conglomerates and Universal Banks in Europe," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 34(1), pages 254-82, February.
    15. Behr, Andreas & Kamp, Andreas & Memmel, Christoph & Pfingsten, Andreas, 2007. "Diversification and the banks' risk-return-characteristics: evidence from loan portfolios of German banks," Discussion Paper Series 2: Banking and Financial Studies 2007,05, Deutsche Bundesbank, Research Centre.
    16. Baele, Lieven & De Jonghe, Olivier & Vander Vennet, Rudi, 2007. "Does the stock market value bank diversification?," Journal of Banking & Finance, Elsevier, vol. 31(7), pages 1999-2023, July.
    17. Jeremy C. Stein, 1995. "Internal Capital Markets and the Competition for Corporate Resources," NBER Working Papers 5101, National Bureau of Economic Research, Inc.
    18. Konishi, Masaru, 2002. "Bond underwriting by banks and conflicts of interest: Evidence from Japan during the pre-war period," Journal of Banking & Finance, Elsevier, vol. 26(4), pages 767-793, April.
    19. Stiroh, Kevin J., 2006. "A Portfolio View of Banking with Interest and Noninterest Activities," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 38(5), pages 1351-1361, August.
    20. Keeley, Michael C, 1990. "Deposit Insurance, Risk, and Market Power in Banking," American Economic Review, American Economic Association, vol. 80(5), pages 1183-1200, December.
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