De Rock, Bram; Cherchye, Laurens; Vermeulen, Frederic - Solvay Brussels School of Economics and Management, … - 2010
collective consumption model, while accounting for general individual preferences that can be non-convex. Our main result is the … characterization of collectively rational consumption behavior in terms of collective Afriat inequalities. Next, it implies the … observations, the nature of consumption externalities (positive or negative) in the intra-household allocation process is non …