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We introduce the notion of a convex measure of risk, an extension of the concept of a coherent risk measure defined in … the underlying space of scenarios. As a case study, we consider convex measures of risk defined in terms of a robust not … ion of bounded shortfall risk. In the context of a financial market model, it turns out that the representation theorem is …
Persistent link: https://www.econbiz.de/10009615426
This paper presents a general theory that works out the relation between coherent risk measures, valuation bounds, and … theory presented seems to fill a gap between arbitrage valuation on the one hand and single agent utility maximization or … full-fledged equilibrium theory on the other hand. "Coherent" valuation bounds strike a balance in that the bounds can be …
Persistent link: https://www.econbiz.de/10009581108
Persistent link: https://www.econbiz.de/10001917139
Problems arising in Finance have become a significant source of new developments in Stochastic Analysis. We discuss some recent case studies, in particular some decomposition and representation theorems which are motivated by problems of hedging derivatives and of intertemporal consumption choice.
Persistent link: https://www.econbiz.de/10009612020
risk …
Persistent link: https://www.econbiz.de/10009574876
An investor faced with a contingent claim may eliminate risk by (super-)hedging in a financial market. As this is often … quite expensive, we study partial hedges, which require less capital and reduce the risk. In a previous paper we determined … the shortfall risk defined as the expectation of the shortfall weighted by some loss function. The resulting efficient …
Persistent link: https://www.econbiz.de/10009579176
will pick a portfolio with higher risk, "gambling" on a lucky outcome, (iv), when the fee structure is endogenous, both …
Persistent link: https://www.econbiz.de/10009621416
analysis relies on the non-linear integration theory of such semimartingale families. The Itô-Wentzell formula is used to prove …
Persistent link: https://www.econbiz.de/10009625800
This paper analyzes short term portfolio investment opportunities in a capital market where a currency is defined as a currency basket, i.e. a linear combination of foreign currencies. In line with the mean-variance hedging approach, we determine a self-financed optimal investment strategy which...
Persistent link: https://www.econbiz.de/10009613598
Persistent link: https://www.econbiz.de/10001919109