We provide possibility results on the aggregation of beliefs and tastes for Monotone, Bernoullian and Archimedian preferences of Cerreia-Vioglio, Ghirardato, Maccheroni, Marinacci, and Siniscalchi (2011). We propose a new axiom, Unambiguous Pareto Dominance, which requires that if the...

There is a growing literature that studies intrahousehold decisions, although few papers study risk taking behavior. Yet, risk is unavoidable in many couple decisions, including residential location, labour supply, children or financial investments. In this paper, we consider couples facing...