4 papers · 1 filter
Risk-insurance parity
Benjamin Côté, Ruodu Wang, Qinyu Wu
Risk aversion and insurance are two prominent and interconnected concepts in economics and finance. To explore their fundamental connection, we introduce risk-insurance parity, whi…
Higher-order Gini indices: An axiomatic approach
Xia Han, Ruodu Wang, Qinyu Wu
Via an axiomatic approach, we characterize the family of n-th order Gini deviation, defined as the expected range over n independent draws from a distribution, to quantify joint di…
Disappointment Aversion and Expectiles
Fabio Bellini, Fabio Maccheroni, Tiantian Mao +2
This paper recasts Gul's (1991) theory of disappointment aversion in a Savage framework, with general outcomes, new explicit axioms of disappointment aversion, and novel explicit r…
On convex order and supermodular order without finite mean
Benjamin Côté, Ruodu Wang
Many results on the convex order in the literature were stated for random variables with finite mean. For instance, a fundamental result in dependence modeling is that the sum of a…