This article considers non-unitary models of household behavior. These models suppose explicitly that households consist of a number of different members with preferences that are different from each other. They can be split up into two principal categories: cooperative (or collective) models,...

We extend the collective model of household behavior to allow for the existence of public consumption. Under a separability assumption, we show that the observation of the labor supplies and the household demand for the public good allow to identify preferences and the decision process up to...

We present identification and estimation results for the collective model of labour supply in which there are discrete choices, censoring of hours and nonparticipation in employment. We derive the collective restrictions on labour supply functions and contrast them with restrictions implied by...