We present necessary and sufficient revealed preference conditions to verify whether a finite data seton nonlinear budget sets is consistent with the maximization of a quasi–concave utility function. Ourresults can be used to test for convexity of the underlying preference relation. We also...

We develop a novel framework to analyze the structural implications of the marriage market for house-hold consumption patterns. We start by de…ning a revealed preference characterization of e¢ cient householdconsumption when the marriage is stable. In particular, stability means that the...

The transfer paradox describes a situation in which a transfer ofendowments between two agents results in a welfare decrease for therecipient and a welfare increase for the donor. It is known that ina two-agent regular exchange economy with an arbitrary number ofgoods, the transfer paradox...