3 papers
econ.TH2024
Absolute and Relative Ambiguity Attitudes
Francesco Fabbri, Giulio Principi, Lorenzo Stanca
We represent preferences that exhibit absolute or relative attitudes towards ambiguity without assuming convexity of preferences. Our analysis is motivated by the recent experiment…
cs.GT2024
On the Weighted Top-Difference Distance: Axioms, Aggregation, and Approximation
Andrea Aveni, Ludovico Crippa, Giulio Principi
We study a family of distance functions on rankings that allow for asymmetric treatments of alternatives and consider the distinct relevance of the top and bottom positions for ord…
math.FA2023
A Nonlinear Sandwich Theorem
Mario Ghossoub, Giulio Principi, Lorenzo Stanca
We provide a Sandwich Theorem (König (1972)) for positively homogeneous functionals that satisfy additivity only on a restricted domain. Our relaxation of additivity is based on a…