This paper examines the determinants of migration decision with a special emphasis on the role of income differences. As migrants are not a random part of the population, the migration equation is corrected for selectivity bias using the Heckman procedure. The data for this study is collected...

Malaria is one of the top five causes of death worldwide, and roughly half the world’s population lives at risk of the disease. This health problem disproportionately affects the poor, particularly those in Africa south of the Sahara, where the disease is widespread. Many of those most...