In Africa, boundaries delineated during the colonial era now divide young independent states. By applying regression discontinuity designs to a large set of surveys covering the 1986-2001 period, this paper identifies many large and significant jumps in welfare at the borders between five...

This paper empirically analyzes the influence of road proximity on HIV- infection using geographical data on road infrastructure and the Demographic and Health Surveys collected in six African countries. Firstly we show that living in proximity to a major road increases the individual risk of...

Given the low condom use and high prevalence in some African countries, this paper addresses the question of whether these evidences are driven by a supply-side or a demandside issue. The role of road infrastructures on HIV/AIDS outcomes is investigated using data from the Demographic and Health...