The aim of this paper is to propose a model of decision-making for lotteries. Lottery qualities are the key concepts of the theory. Qualities allow the derivation of optimal decision-making processes and are taken explicitly into account for lottery evaluation. Our contribution explains the...

This paper is concerned with the effect of increases in risk on optimal decision variables for the class of linear payoffs. The authors show that, for this class of payoffs, one can extend the class of admissible increases in risk and obtain the desirable comparative statics properties. They...