De Rock, Bram; Cherchye, Laurens; Vermeulen, Frederic - Solvay Brussels School of Economics and Management, … - 2010
We provide a nonparametric 'revealed preference' characterization of rational household behavior in terms of the collective consumption model, while accounting for general individual preferences that can be non-convex. Our main result is the Collective Afriat Theorem, which parallels the...