This article has a dual purpose. On the one hand, it proposes a renewed analysis of the governance of specific human capital-intensive firms. On the other hand, it empirically estimates the nature of the corresponding operational model in France at the beginning of the 2000s. Actually, for...

Contributed Paper presented at the International Conference on Agriculture Of Ouagadougou (BURKINA FASO), December 4-6, 2010.

Agricultural price volatility is "bad". But where does it come from? Remedies are completely different for "endogenous" or "exogenous" fluctuations. The recent crisis seems to indicate that exogenous remedies have been applied to endogenous fluctuations.

The present study which started in 1999 is framed in the INCOYAM project. Marketing systems of yam are analyzed in three West- African countries: Cote d'Ivoire, Benin and Nigeria. Surveys have been carried out on urban (wholesales and retailers) and rural (collectors) traders. Cities and...