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No Good Deals - No Bad Models

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  • Nina, Boyarchenko
  • Mario, Cerrato
  • John, Crosby
  • Stewart, Hodges

Abstract

Faced with the problem of pricing complex contingent claims, an investor seeks to make his valuations robust to model uncertainty. We construct a notion of a model- uncertainty-induced utility function and show that model uncertainty increases the investor's eff ective risk aversion. Using the model-uncertainty-induced utility function, we extend the \No Good Deals" methodology of Cochrane and Sa a-Requejo [2000] to compute lower and upper good deal bounds in the presence of model uncertainty. We illustrate the methodology using some numerical examples.

Suggested Citation

  • Nina, Boyarchenko & Mario, Cerrato & John, Crosby & Stewart, Hodges, 2013. "No Good Deals - No Bad Models," SIRE Discussion Papers 2013-20, Scottish Institute for Research in Economics (SIRE).
    • Handle: RePEc:edn:sirdps:452
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    Cited by:

    1. Dirk Becherer & Klebert Kentia, 2016. "Hedging under generalized good-deal bounds and model uncertainty," Papers 1607.04488, arXiv.org, revised Apr 2017.

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    More about this item

    Keywords

    Asset pricing theory; Good deal bounds; Knightian uncertainty; Model uncertainty; Contingent claim pricing; model-uncertainty-induced utility function;
    All these keywords.

    JEL classification:

    • G1 - Financial Economics - - General Financial Markets

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