This paper examines the existence of social interactions in malaria preventive behaviors in Sub-Saharan Africa, i.e. whether an individual's social environment has an influence on the individual's preventive behaviors. We focus on the two population groups which are the most vulnerable to...

This paper attempts to devise a methodology that allows estimating the exact impact of training on the dispersion of wages. The approach is derived from a decomposition technique recently proposed by Fields (2003). It extends Fields' approach by taking into account population subgroups and...