We analyse vertical contracts between manufacturers and a common retailer in a channel including the uptstream input market. The oligopsonistic behavior of manufacturers on the ustream market provides a new explanation for predatory accomodation. With two-parts tariff, we show that joint profit...

This paper presents the first evidence linking directly household consumption profiles to the widely studied institution of sharecropping in developing countries. On the one hand, the theoretical rationale for sharecropping often calls for its risk sharing properties. On the other hand empirical...

Sharecropping theory generally does not take into account land fertility. We develop a repeated Principal-Agent model under moral hazard where the Principal delegates the use and maintenance of a productive asset. In a multitask framework, we characterize the optimal spot contract focusing on...

In this paper, we study the determinants of the value of informal risk sharing groups. In particular, we look at the effects of heterogeneity of preferences and of limited commitment constraints that restrict feasible allocations differently if individuals can deviate form risk sharing...