Crettez, Bertrand; Hayek, Naila; Courtault, Jean-Michel - In: Economics Bulletin 4 (2004) 5, pp. 1-6
The benefit function, introduced by Luenberger, provides a tool for well-defined cardinal comparisons of different bundles of goods. It also allows to study in an orignal way optimal consumers and firms choices, Pareto-optimality etc... In this note we prove that the benefit function is...