Both economists and psychologists are interested in understanding decision making under uncertainty. Yet, they rely on different concepts to analyse human behaviour: Economists use economic preference parameters rooted in utility theory, while psychologists use personality traits to describe...

This paper extends Savage's subjective approach to probability and utility from decision problems under exogenous uncertainty to choice in strategic environments. Interactive uncertainty is modeled both explicitly, using hierarchies of preference relations, the analogue of beliefs hierarchies,...

Regret als Erkenntnisobjekt -- Charakteristika und Determinanten des Regret-Konzepts aus entscheidungstheoretischer und verhaltenswissenschaftlicher Sicht -- Die Rolle des Regret für die Kundenloyalität -- Die empirische Untersuchung -- Implikationen für Forschung und Praxis.

This paper demonstrates gender differences in risk aversion and ambiguity aversion. It also contributes to a growing literature relating economic preference parameters to psychological measures by asking whether variations in preference parameters among persons, and in particular across genders,...

This paper derives a representation of preferences for a choice theory with vague environments; vague in the sense that the agent does not know the precise lotteries over outcomes conditional on states. Instead, he knows only a possible set of these lotteries for each state. Thus, this paper's...