In the present paper, we adopt the usual assumptions of the collective approach, that is, individualism and efficiency, in order to study household labor supply. The theoretical innovation is twofold. First, we incorporate in the initial setting the participation decision to the labor market....

In many economic contexts, a given function can be disaggregated as a linear combination of gradients. Examples include the literature on the characterization of aggregate demand and excess demand, as initiated by Sonnenschein (1973ab), and the model of efficient household behaviour recently...

The dual motives of housing behaviour, consumption and investment, make the analysis of housing purchases quite difficult. Nevertheless, it is better to refer to a model that keeps the two-dimensional aspects of housing. In the absence of institutional considerations, this model predicts that it...

We consider a Society which as to make a finite dimensional collective decision, and study the "stability" of the public arrangements made in the Society when considering the threats that potential coalitions may generate. We refer for that to the standard cooperative approach based on the...

There are two goods in the economy: a numeraire and a conspicuous (or positional) good. A type maximizes his utility which is a function of the numeraire and the inference of his unobservable rank by other agents. A conspicuous good is an observed signal and Bayesian inference is given by a...