Coherent acceptability measures in multiperiod models


Roorda, Berend and Engwerda, Jacob and Schumacher, Hans (2004) Coherent acceptability measures in multiperiod models.

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Abstract:The framework of coherent risk measures has been introduced by Artzner et al. (1999) in a single-period setting. Here we investigate a similar framework in a multiperiod context. We add an axiom of dynamic consistency to the standard coherence axioms, and obtain a representation theorem in terms of collections of multiperiod probability measures that satisfy a certain product property. This theorem is similar to results obtained by Epstein and Schneider (2003) and Wang (2003) in a different axiomatic framework. We then apply our representation result to the pricing of derivatives in incomplete markets, extending results by Carr et al. (2001) to the multiperiod case. We present recursive formulas for the computation of price bounds and corresponding optimal hedges. When no shortselling constraints are present, we obtain a recursive formula for price bounds in terms of martingale measures.
Item Type:Article
Additional information:Final revised version, September 2004
Faculty of Behavioural, Management and Social sciences (BMS)
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