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The determinants of interest margins and their effect on bank diversification: Evidence from Asian banks

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  • Lin, Jane-Raung
  • Chung, Huimin
  • Hsieh, Ming-Hsiang
  • Wu, Soushan

Abstract

An endogenous switching regression model is employed for this study, categorizing the banks into regimes of high and low degrees of diversification, with our results indicating that net interest margins can be less sensitive to fluctuations in bank risk factors for functionally diversified banks as compared to more specialized banks. In turn, this implies that by diversifying their income sources, these banks can reduce the shocks to net interest margins arising from idiosyncratic risk. Our results show that prior findings can hold when the banks are located in a regime with a low degree of diversification.

Suggested Citation

  • Lin, Jane-Raung & Chung, Huimin & Hsieh, Ming-Hsiang & Wu, Soushan, 2012. "The determinants of interest margins and their effect on bank diversification: Evidence from Asian banks," Journal of Financial Stability, Elsevier, vol. 8(2), pages 96-106.
  • Handle: RePEc:eee:finsta:v:8:y:2012:i:2:p:96-106
    DOI: 10.1016/j.jfs.2011.08.001
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    1. repec:sos:sosjrn:170412 is not listed on IDEAS
    2. Trinugroho, Irwan & Agusman, Agusman & Tarazi, Amine, 2014. "Why have bank interest margins been so high in Indonesia since the 1997/1998 financial crisis?," Research in International Business and Finance, Elsevier, vol. 32(C), pages 139-158.
    3. Agapova, Anna & McNulty, James E., 2016. "Interest rate spreads and banking system efficiency: General considerations with an application to the transition economies of Central and Eastern Europe," International Review of Financial Analysis, Elsevier, vol. 47(C), pages 154-165.
    4. Lee, Chien-Chiang & Hsieh, Meng-Fen & Yang, Shih-Jui, 2014. "The relationship between revenue diversification and bank performance: Do financial structures and financial reforms matter?," Japan and the World Economy, Elsevier, vol. 29(C), pages 18-35.
    5. Saona, Paolo, 2016. "Intra- and extra-bank determinants of Latin American Banks' profitability," International Review of Economics & Finance, Elsevier, vol. 45(C), pages 197-214.
    6. repec:eee:jbfina:v:87:y:2018:i:c:p:411-426 is not listed on IDEAS

    More about this item

    Keywords

    Bank diversification; Interest margins; Endogenous switching model;

    JEL classification:

    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
    • L25 - Industrial Organization - - Firm Objectives, Organization, and Behavior - - - Firm Performance

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