We propose novel tools for the analysis of individual welfare on the basis of aggregate household demand behavior. The method assumes a collective model of household consumption with the public and private nature of goods specified by the empirical analyst. A main distinguishing feature of our...

We propose a novel approach to model joint consumption decisions of individuals who care for each other. We assume non-cooperative interaction between the different individuals and the within-group consumption outcome critically depends on the degree of caring between the group members. By...

We provide a nonparametric 'revealed preference' characterization of rational household behavior in terms of the collective consumption model, while accounting for general (possibly non-convex) individual preferences. We establish a Collective Axiom of Revealed Preference (CARP), which provides...