Robust utility functionals arise as numerical representations of investor preferences, when the investor is uncertain about the underlying probabilistic model and averse against both risk and model uncertainty...
Keywords: portfolio optimization, model uncertainty, Knightian uncertainty, coherent risk measures, convex duality
03/2005 | Statistics & Decisions, Oldenbourg WissenschaftsverlagDistorted measures have been used in pricing of insurance contracts for a long time. This paper reviews properties of related acceptability functionals in risk management, called distortion functionals...
Keywords: risk measures, insurance premium, portfolio optimization
01/2006 | Statistics & Decisions, Oldenbourg WissenschaftsverlagWe consider an extended Merton's problem of optimal consumption and investment in continuous-time with stochastic volatility...
Keywords: stochastic volatility, portfolio optimization, -optimal control, time-discrete approximation
03/2005 | Monte Carlo Methods and Applications, Walter de Gruyter