The conference has been co-organized by the LASDEL (Laboratory for Studies and Research on Social Dynamics and Local Development, Niger and Benin) and LADYD (Laboratory for Analysis of Dynamic Development, Faculty of Agronomy of the University of Abomey Calavi, Benin), in partnership with the University of Abomey Calavi. More than 120 papers have been presented during the conference. The conference took take place from the 17th to 20th November 2015 at the university and at the Hôtel du Lac in Cotonou.