Forges, Françoise; Minelli, Enrico - In: Journal of Economic Theory 144 (2009) 1, pp. 135-145
Afriat proved the equivalence of a variant of the strong axiom of revealed preference and the existence of a solution to a set of linear inequalities. From this solution he constructed a utility function rationalizing the choices of a competitive consumer. We extend Afriat's theorem to a class...