In order to encompass general financial frictions, we generalize the fundamental theorem of asset pricing to convex price functionals.We identify a new arbitrage condition, called robust no-arbitrage, that characterizes viability and generalizes the well-known no-arbitrage condition used in...

This paper explores the relationship between dynamic consistency and the existing notions of unambiguous events for Choquet expected utility preferences. A decision maker is faced with an information structure represented by a filtration. We show that the decision maker's preferences respect...

This paper shows that, for CEU preferences, the axioms consquentialism, state independence and conditional certainty equivalent consistency under updating characterise a family of capacities, called Genralised Neo-Additive Capacities (GNAC). This family contains as special cases among others...