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Efficiency, scale economies and valuation effects: evidence from bank mergers in India

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  • Rudra Sensarma
  • M. Jayadev

Abstract

This paper examines two important issues related to bank mergers in India. First, we estimate potential economic gains of state-owned banks from consolidation. Scale economies, returns to scale and profit efficiency of state-owned banks during 1986 to 2007 are estimated based on stochastic frontier analysis. We find that many Indian banks exhibit potential cost savings from mergers, provided they rationalise their branch networks although profit efficiency may not rise immediately. Second, we measure the realised impact of bank mergers on shareholders' wealth based on event study analysis. We find that in the case of forced mergers, shareholders of neither the bidder nor the target banks benefited. In the case of voluntary mergers, the bidder banks' shareholders gained more than the target banks' shareholders.

Suggested Citation

  • Rudra Sensarma & M. Jayadev, 2010. "Efficiency, scale economies and valuation effects: evidence from bank mergers in India," International Journal of Financial Services Management, Inderscience Enterprises Ltd, vol. 4(4), pages 311-337.
    • Handle: RePEc:ids:ijfsmg:v:4:y:2010:i:4:p:311-337
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    Cited by:

    1. Subhash C. Ray & Shilpa Sethia, 2022. "Nonparametric measurement of potential gains from mergers: an additive decomposition and application to Indian bank mergers," Journal of Productivity Analysis, Springer, vol. 57(2), pages 115-130, April.
    2. Yap Yin Choo, 2012. "Efficiency and scale economies in the Japanese non-life insurance industry," International Journal of Financial Services Management, Inderscience Enterprises Ltd, vol. 5(3), pages 239-255.

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