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The broadening of activities in the financial system : implications for financial stability and regulation

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Author Info
Wagner, Wolf (Tilburg University, Center for Economic Research)

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Abstract

Conglomeration and consolidation in the financial system broaden the activities financial institutions are undertaking and cause them to become more homogenous.Although resulting diversification gains make each institution appear less risky, we argue that financial stability may not improve as total risk in the financial system remains the same. Stability may even fall as institution' incentives for providing liquidity and limiting their risk taking worsen. Optimal regulation may thus not provide a relief for diversification. However, we also identify important benefits of a broadening of activities. By reducing the differences among institutions, it lowers the need for inter-institutional risk sharing. This mitigates the impact of any imperfections such risk sharing may be subject to. The reduced importance of such risk sharing, moreover, lowers externalities across institutions. As a result, institutions' incentives are improved and there is less need for regulating them.

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Paper provided by Tilburg University, Center for Economic Research in its series Discussion Paper with number 72.

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Date of creation: 2006
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Handle: RePEc:dgr:kubcen:200672

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Find related papers by JEL classification:
G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Mortgages
G28 - Financial Economics - - Financial Institutions and Services - - - Government Policy and Regulation

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Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
  1. Bengt Holmstrom & Jean Tirole, 1998. "Private and Public Supply of Liquidity," Journal of Political Economy, University of Chicago Press, vol. 106(1), pages 1-40, February. [Downloadable!] (restricted)
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  2. Wagner, Wolf, 2007. "Aggregate liquidity shortages, idiosyncratic liquidity smoothing and banking regulation," Journal of Financial Stability, Elsevier, vol. 3(1), pages 18-32, April. [Downloadable!] (restricted)
  3. Blum, Jurg, 1999. "Do capital adequacy requirements reduce risks in banking?," Journal of Banking & Finance, Elsevier, vol. 23(5), pages 755-771, May. [Downloadable!] (restricted)
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  6. Acharya, Viral V & Yorulmazer, Tanju, 2004. "Too Many to Fail - An Analysis of Time Inconsistency in Bank Closure Policies," CEPR Discussion Papers 4778, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
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  7. Jean-Charles Rochet & Jean Tirole, 1996. "Interbank lending and systemic risk," Proceedings, Board of Governors of the Federal Reserve System (U.S.), pages 733-765.
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  8. Franklin Allen & Douglas Gale, 1976. "Optimal Financial Crises," Center for Financial Institutions Working Papers 97-01, Wharton School Center for Financial Institutions, University of Pennsylvania. [Downloadable!]
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  9. Flannery, Mark J, 1994. "Debt Maturity and the Deadweight Cost of Leverage: Optimally Financing Banking Firms," American Economic Review, American Economic Association, vol. 84(1), pages 320-31, March. [Downloadable!] (restricted)
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  10. Wagner, Wolf, 2006. "Diversification at financial institutions and systemic crises," Discussion Paper 71, Tilburg University, Center for Economic Research. [Downloadable!]
  11. Xavier Freixas & Gyongyi Loranth & Alan D. Morrison & Hyun Song Shin, 2004. "Regulating Financial Conglomerates," Research series 200405-10, National Bank of Belgium. [Downloadable!]
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  12. Wagner, Wolf & Marsh, Ian W., 2006. "Credit risk transfer and financial sector stability," Journal of Financial Stability, Elsevier, vol. 2(2), pages 173-193, June. [Downloadable!] (restricted)
  13. Mark J. Flannery, 1996. "Financial crises, payment system problems, and discount window lending," Proceedings, Board of Governors of the Federal Reserve System (U.S.), pages 804-831.
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  14. Allen, Franklin & Carletti, Elena, 2006. "Credit risk transfer and contagion," Journal of Monetary Economics, Elsevier, vol. 53(1), pages 89-111, January. [Downloadable!] (restricted)
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  15. Aghion, Philippe & Bolton, Patrick & Dewatripont, Mathias, 2000. "Contagious bank failures in a free banking system," European Economic Review, Elsevier, vol. 44(4-6), pages 713-718, May. [Downloadable!] (restricted)
  16. Myers, Stewart C., 1977. "Determinants of corporate borrowing," Journal of Financial Economics, Elsevier, vol. 5(2), pages 147-175, November. [Downloadable!] (restricted)
  17. Goodhart, Charles & Schoenmaker, Dirk, 1995. "Should the Functions of Monetary Policy and Banking Supervision Be Separated?," Oxford Economic Papers, Oxford University Press, vol. 47(4), pages 539-60, October. [Downloadable!] (restricted)
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  1. Wagner, Wolf, 2006. "Diversification at financial institutions and systemic crises," Discussion Paper 71, Tilburg University, Center for Economic Research. [Downloadable!]
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