Cet article décrit rapidement les migrations des Soninké et les interprète comme une stratégie de diversification des risques, à la lumière des développements théoriques récents. Les études historiques et ethnologiques de ces mouvements migratoires suggèrent que ce n'est pas seulement...

At the turn of the century, Jean-Jacques Laffont got involved in the analysis of the specific problems raised by regulated industries in developing countries and in their reform. He drew the implications of the high social cost of public funds, due to inefficient taxation. Although foreign aid...

This paper reviews some of the microeconomic evidence concerning migration and remittances in Africa. After a brief survey of the literature, it draws some lessons from two surveys performed in the Senegal River valley in Mali and in Senegal. The paper makes two main points. First, migration...