In this paper, we defend the idea that in the African context, non-market co-operation between farmers and ginning companies outperforms market transactions. In the absence of a reliable legal mechanism, market liberalization threatens the sustainability of contractual agreements between farmers...

L’objectif de ce papier est de déterminer les zones d’intégration des marchés du mil au sein du sous espace régional africain constitué par le Niger, le Mali et le Burkina Faso en croisant différents indicateurs construits à partir des prix de marchés. Dans un premier temps une...

L’objectif est d’évaluer l’impact des subventions américaines et européennes sur le marché international du coton à partir d’un modèle d’équilibre partiel dynamique. L’originalité de ce travail est de prendre en compte de façon détaillée les différentes mesures d’aides...

In this paper a nonlinear model of commodity prices with endogenous price fluctuations is opposed to the more traditional hypothesis of stochastic price fluctuations around a deterministic trend. After recalling the evolution of world prices of the main agricultural commodities exported by...

This paper focuses on the impact of property rights insecurity on deforestation in the Brazilian Legal Amazon. Deforestation is considered as a risk management strategy: property rights insecurity reduces the present value of forests and fosters forest conversion into agricultural and pasture...

Over the last two decades, millet prices in Niger have enjoyed periods of spectacular increase during which they seem to go well above their fundamental value. These episodes of price bursts followed by rapid reversals could be attributed to the presence of rational speculative bubbles....

The aim of this paper is to estimate the impact of weather related income shocks on child health in rural Burkina Faso where rain fed agriculture is the dominant production system. We combine health data originating from the 2008 household survey with meteorological data to define shocks at the...

There is a common perception among consumers that the retail prices respond faster to an increase in the price of raw material than to a decrease. This paper aims at testing the existence of such asymmetric price transmission in the cocoa-chocolate chain on the French market. Two types of...

The purpose of this paper is to highlight the detrimental impact of land tenure insecurity on deforestation in the Brazilian Amazon. It is related to recent controversies about the detrimental impact of land laws on deforestation, which seem to legitimize land encroachments. The latter is mainly...

The aim of this paper is to highlight an aspect of devaluation that is generally ignored in the literature, namely, its positive impact on domestic trade. We develop a parity bounds model for cattle markets of Burkina Faso with two regimes of prices, autarkic and integrated, consistent with...