Richter, Michael; Rubinstein, Ariel - In: Theoretical economics : TE ; an open access journal in … 14 (2019) 4, pp. 1169-1183
We suggest a concept of convexity of preferences that does not rely on any algebraic structure. A decision maker has in mind a set of orderings interpreted as evaluation criteria. A preference relation is defined to be convex when it satisfies the following: if for each criterion there is an...