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No good deals—no bad models

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Faced with the problem of pricing complex contingent claims, investors seek to make their valuations robust to model uncertainty. We construct a notion of a model-uncertainty-induced utility function and show that model uncertainty increases investors? effective risk aversion. Using this utility function, we extend the ?no good deals? methodology of Cochrane and Sa-Requejo (2000) to compute lower and upper good-deal bounds in the presence of model uncertainty. We illustrate the methodology using some numerical examples.

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  • Nina Boyarchenko & Mario Cerrato & John Crosby & Stewart Hodges, 2012. "No good deals—no bad models," Staff Reports 589, Federal Reserve Bank of New York.
    • Handle: RePEc:fip:fednsr:589
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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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    Keywords

    Investments; Econometric models; Uncertainty; Asset pricing;
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    JEL classification:

    • G1 - Financial Economics - - General Financial Markets

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