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Instabile Finanzmärkte

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  • Günter Franke
  • Jan P. Krahnen

Abstract

The paradigm of self-stabilizing, equilibrating financial markets, respected for a long time, is seriously challenged by the recent financial crisis. Despite sophisticated bank risk management and comprehensive bank supervision interbank and corporate bond markets collapsed in 2007-2009. The state interventions required for saving banks are without precedent in modern economic history. In this essay we attempt to explain financial market instability. Key determinants of the crisis are, in our opinion, weaknesses of the information architecture which should provide credible information for investors. Three determinants of instability are identified: first, the utilization of debt instruments combined with high degrees of corporate leverage; second, the tradeability of securities combined with increased risk taking; and third, the increased degree of complexity of financial products and networks, combined with more homogeneous asset and risk structures of banks. These determinants strengthen financial system vulnerability and the role of the information architecture. We discuss several requirements for a meaningful regulatory reform, leaving out incentive issues (which are treated in Franke/Krahnen 2009), namely credible provision of information, macro-prudential supervision, robust capital standards, as well as a limitation of risk clustering in derivative markets. Copyright 2009 die Autoren Journal compilation 2009, Verein für Socialpolitik und Blackwell Publishing Ltd.

Suggested Citation

  • Günter Franke & Jan P. Krahnen, 2009. "Instabile Finanzmärkte," Perspektiven der Wirtschaftspolitik, Verein für Socialpolitik, vol. 10(4), pages 335-366, November.
  • Handle: RePEc:bla:perwir:v:10:y:2009:i:4:p:335-366
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    References listed on IDEAS

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    1. Antje Brunner & Jan Pieter Krahnen, 2008. "Multiple Lenders and Corporate Distress: Evidence on Debt Restructuring," Review of Economic Studies, Oxford University Press, vol. 75(2), pages 415-442.
    2. Ricardo J. Caballero & Arvind Krishnamurthy, 2008. "Collective Risk Management in a Flight to Quality Episode," Journal of Finance, American Finance Association, vol. 63(5), pages 2195-2230, October.
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    4. Gunter Franke & Jan Pieter Krahnen, 2007. "Default Risk Sharing between Banks and Markets: The Contribution of Collateralized Debt Obligations," NBER Chapters,in: The Risks of Financial Institutions, pages 603-634 National Bureau of Economic Research, Inc.
    5. Jan Pieter Krahnen & Christian Wilde, 2009. "CDOs and Systematic Risk: Why bond ratings are inadequate," Working Paper Series: Finance and Accounting 203, Department of Finance, Goethe University Frankfurt am Main.
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    Cited by:

    1. Jan Priewe, 2010. "What Went Wrong? Alternative interpretations of the global financial crisis," Competence Centre on Money, Trade, Finance and Development 1002, Hochschule fuer Technik und Wirtschaft, Berlin.
    2. Gunther Tichy, 2010. "War die Finanzkrise vorhersehbar?," Perspektiven der Wirtschaftspolitik, Verein für Socialpolitik, pages 356-382.
    3. Christoph Zeitler & Bernd Rudolph & Christian Kirchner & Christoph Kaserer & Markus Ferber, 2010. "Regulierung und Aufsicht der Banken: Brauchen wir Basel III?," ifo Schnelldienst, ifo Institute - Leibniz Institute for Economic Research at the University of Munich, pages 03-20.

    More about this item

    JEL classification:

    • G01 - Financial Economics - - General - - - Financial Crises
    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading
    • G18 - Financial Economics - - General Financial Markets - - - Government Policy and Regulation
    • G28 - Financial Economics - - Financial Institutions and Services - - - Government Policy and Regulation
    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy

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