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What happens when you regulate risk?: evidence from a simple equilibrium model

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  • Zigrand, Jean-Pierre
  • Danielsson, Jon

Abstract

The implications of Value-at-Risk regulations are analyzed in a CARA-normal general equilibrium model. Financial institutions are heterogeneous in risk preferences, wealth and the degree of supervision. Regulatory risk constraints lower the probability of one form of a systemic crisis, at the expense of more volatile asset prices, less liquidity, and the amplification of downward price movements. This can be viewed as a consequence of the endogenously changing risk appetite of financial institutions induced by the regulatory constraints. Finally, the Value-at-Risk constraints may prevent market clearing altogether. The role of unregulated institutions (hedge-funds) is considered. The findings are illustrated with an application to the 1987 and 1998 crises.

Suggested Citation

  • Zigrand, Jean-Pierre & Danielsson, Jon, 2001. "What happens when you regulate risk?: evidence from a simple equilibrium model," LSE Research Online Documents on Economics 25069, London School of Economics and Political Science, LSE Library.
    • Handle: RePEc:ehl:lserod:25069
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    Cited by:

    1. Danielsson, Jon & Taylor, Ashley & Zigrand, Jean-Pierre, 2005. "Highwaymen or heroes: Should hedge funds be regulated?: A survey," Journal of Financial Stability, Elsevier, vol. 1(4), pages 522-543, October.
    2. Kero, Afroditi, 2013. "Banks’ risk taking, financial innovation and macroeconomic risk," The Quarterly Review of Economics and Finance, Elsevier, vol. 53(2), pages 112-124.
    3. Lakshithe Wagalath, 2016. "Feedback effects and endogenous risk in financial markets," Finance, Presses universitaires de Grenoble, vol. 37(2), pages 39-74.
    4. Danielsson, Jon & Taylor, Ashley & Zigrand, Jean-Pierre, 2004. "Highwaymen or heroes: should hedge funds be regulated?," LSE Research Online Documents on Economics 24782, London School of Economics and Political Science, LSE Library.
    5. Danielsson, Jon & Zigrand, Jean-Pierre, 2006. "On time-scaling of risk and the square-root-of-time rule," Journal of Banking & Finance, Elsevier, vol. 30(10), pages 2701-2713, October.
    6. Cornelis A. Los & Rossitsa M. Yalamova, 2004. "Multi-Fractal Spectral Analysis of the 1987 Stock Market Crash," Finance 0409050, University Library of Munich, Germany.
    7. Danielsson, Jon & Shin, Hyun Song & Zigrand, Jean-Pierre, 2004. "The impact of risk regulation on price dynamics," Journal of Banking & Finance, Elsevier, vol. 28(5), pages 1069-1087, May.
    8. Edgardo Barandiarán, 2003. "El Prestamista de Última Instancia en la Nueva Industria Bancaria," Latin American Journal of Economics-formerly Cuadernos de Economía, Instituto de Economía. Pontificia Universidad Católica de Chile., vol. 40(120), pages 337-358.
    9. Danielsson, Jon, 2002. "The emperor has no clothes: Limits to risk modelling," Journal of Banking & Finance, Elsevier, vol. 26(7), pages 1273-1296, July.
    10. Griffith-Jones, Stephany & Segoviano, Miguel Angel & Spratt, Stephen, 2004. "Basel II: developing countries and portfolio diversification," Revista CEPAL, Naciones Unidas Comisión Económica para América Latina y el Caribe (CEPAL), August.
    11. 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.
    12. Bernd Hofmann, 2005. "Procyclicality: The Macroeconomic Impact of Risk-Based Capital Requirements," Financial Markets and Portfolio Management, Springer;Swiss Society for Financial Market Research, vol. 19(2), pages 179-200, August.
    13. Liu, Xiangbo & Qiu, Zhigang & Xiong, Yan, 2013. "VaR constrained asset pricing with relative performance," Economics Letters, Elsevier, vol. 121(2), pages 174-178.
    14. Stephany Griffith-Jones & Stephen Spratt, 2003. "Basel II and Developing Countries: Diversification and Portfolio Effects," FMG Discussion Papers dp437, Financial Markets Group.
    15. Vayanos, Dimitri, 2004. "Flight to quality, flight to liquidity, and the pricing of risk," LSE Research Online Documents on Economics 456, London School of Economics and Political Science, LSE Library.
    16. Griffith-Jones, Stephany & Segoviano, Miguel Angel & Spratt, Stephen, 2003. "Basel II and developing countries: diversification and portfolio effects," LSE Research Online Documents on Economics 24824, London School of Economics and Political Science, LSE Library.
    17. Bühler, Wolfgang & Koziol, Christian, 2004. "Banking Regulation and Financial Accelerators: A One-Period Model with Unlimited Liability," Discussion Paper Series of SFB/TR 15 Governance and the Efficiency of Economic Systems 17, Free University of Berlin, Humboldt University of Berlin, University of Bonn, University of Mannheim, University of Munich.

    More about this item

    JEL classification:

    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • D50 - Microeconomics - - General Equilibrium and Disequilibrium - - - General
    • G18 - Financial Economics - - General Financial Markets - - - Government Policy and Regulation
    • G20 - Financial Economics - - Financial Institutions and Services - - - General

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