We consider the computational problem of testing whether observed household consumption behavior satisfies the Collective Axiom of Revealed Preferences (CARP). We propose a graph such that the existence of a node-partitioning giving rise to two induced subgraphs that are acyclic implies that the...

Theory: Markets and the tyranny of the majority; Are "lumpy" markets a problem?; Empirical evidence: Who benefits whom in practice; Who benefits whom in the neighborhood; Preference minorities as citizens and consumers -- Market solutions and their limits: Market enlargement and consumer...

Economists have long counseled reliance on markets rather than on government to decide a wide range of questions, in part because allocation through voting can give rise to a "tyranny of the majority." Markets, by contrast, are believed to make products available to suit any individual,...