On the existence of certainty equivalents of various relevant types.
Optimal investment under behavioural criteria - a dual approach
We consider a discrete-time, generically incomplete market model and a behavioural investor with power-like utility and distortion functions. The existence of optimal strategies in this setting has been shown in Carassus-Rásonyi (2015) under certain conditions on the parameters of these power functions. In the present paper we prove the existence of optimal strategies under a different set of conditions on the parameters, identical to the ones in Rásonyi-Rodrigues (2013), which...
Order extension of order monomorphisms on a preordered topological space.
Ordinal utility and economic price indices.
Ordinal utility and economic price indices. (Summary).