Our study aims to measure the effects of spatial R&D spillovers on firms' patent production at the city level. We use an original method to estimate the spatial dimension of spillovers using count data. The method, based on a generalized cross entropy approach, allows us to test spatial...

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...

A partir de données exhaustives des recensements maliens de la population de 1976, 1987 et 1998, cette étude analyse le processus d’urbanisation et de spécialisation économique des 10 000 localités maliennes. Grâce à un travail d’appariement minutieux, rarement entrepris même dans...

The article offers an empirically-founded analysis of conflicts on public utility infrastructures in the region surrounding Paris It sheds some light on public decision-making process and on the role conflicts play in the process of land availability in the Paris region. Empirical evidence based...

This paper proposes a study of the global impact of the level of wages paid to civil servants in the “Ile de la Réunion”, a French department located in the Indian Ocean, using historical data and a computable general equilibrium model. The wage bonuses paid to civil servants in French...

In a concern to go further than a simple static report and to address poverty in its immense complexity, this study analyses its evolution over a period of time in relation to the macro-economic and social dynamics at work in Africa. On the basis of a certain number of elements of analysis,...