This paper describes a range of methods which have been proposed to study interactions in economic and social contexts. By interactions, we refer to interdependences between individual decisions which are not mediated by markets. These types of models have been employed to understand phenomena...

In this paper I investigate, empirically, the outsourcing strategy by firms in French manufacturing industries. I particularly focus on the effect of the market thickness and of firm heterogeneity on the outsourcing strategy. For this purpose, I estimate a dynamic probit model where I link the...