According to HARSANYI, the social utility of an alternative in a group decision voting game is the sum of all voter utilities for that alternative. With random member utilities, the expected social utility is defined as the mean of the random variable social utility. The social utility for a...

In this study we introduce a new stochastic choice rule that categorizes objects in order to simplify the choice procedure. At any given trial, the decision maker deliberately randomizes over mental categories and chooses the best item according to her utility function within the realized...

We challenge the standard definition of economic rationality as consistency by making use of a novel distinction between axioms of decision theory: consistency and preference axioms. We argue that this distinction has been overlooked by the literature and, as a result, evidence that consistency...