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When risk weights increase the risk: some concerns for capital regulation


  • Varsanyi, Zoltan


In this chapter I argue that as a response to the introduction of capital requirements in the form of risk weights investors might potentially choose riskier portfolios than before the regulation – this is, presumably, not what the regulation intends to achieve. That is, while regulation most likely diverts investors from their optimum decision it does not guarantee that the new optimum has a lower risk. The effect of the regulation depends on several things, most importantly the correlation between individual investments, investor preferences and the relative size of risk weights.

Suggested Citation

  • Varsanyi, Zoltan, 2009. "When risk weights increase the risk: some concerns for capital regulation," MPRA Paper 13594, University Library of Munich, Germany.
  • Handle: RePEc:pra:mprapa:13594

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    References listed on IDEAS

    1. Con Keating & Hyun Song Shin & Charles Goodhart & Jon Danielsson, 2001. "An Academic Response to Basel II," FMG Special Papers sp130, Financial Markets Group.
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    More about this item


    portfolio selection; regulation; Basel II; risk;

    JEL classification:

    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G18 - Financial Economics - - General Financial Markets - - - Government Policy and Regulation

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