Cohen, Michèle; Meilijson, Isaac - HAL - 2011
. This paradigm, whose Expected Utility version takes the form of Arrow & Pratt's more risk averse concept, will be studied … in the Choquet Uncertainty model, letting u and μ (v and ν) be Ursula's (Victor's) utility and capacity. A necessary and … sufficient condition (A) on the pairs (u, μ) and (v, ν) will be presented for dichotomous weak increased uncertainty aversion …