We axiomatize, in an Anscombe-Aumann framework, the class of preferences that admit a representation of the form V(f) = mu - rho(d), where mu is the mean utility of the act f with respect to a given probability, d is the vector of state-by-state utility deviations from the mean, and rho(d) is a...

OBJECTIVE: This study aimed to compare maternal mortality by province, autonomous region and mother's country of birth in Spain during 1999-2006. STUDY DESIGN: A cross-sectional ecological study with all live births and maternal mortality cases occurring during 1999-2006 in Spain was done. Data...

Models of ambiguity aversion have recently found many applications in dynamic settings. This paper shows that there is a strong interdependence between ambiguity aversion and the preferences for the timing of the resolution of uncertainty, as defined by the classic work of Kreps and Porteus...