This study proposes a new framework to tackle the uncertainty that prevails in the exploitation of renewable resources. It deals with the question of how to guarantee both a minimum multi-species harvest and the renewal of resources when their evolutions are uncertain. The problem is twofold: to...

This cross-country study examines the determinants of school attendance through household surveys conducted the same year in seven West African countries. The aim of this comparison, based on the relatively homogeneous population of urban households living in the capitals, is to look at national...

This paper presents an example of the advantages of using mathematical viability theory concepts and tools to study sustainable development issues. Instead of seeking optimal solutions according to a predefined value function, viability theory follows a inverse approach and does not postulate...

(english) This cross-country study examines the determinants of school attendance through household surveys conducted the same year in seven West African countries. The aim of this comparison, based on the relatively homogeneous population of urban households living in the capitals, is to look...