We examine the relationship between road quality and regional favouritism in Sub-Saharan Africa. Roads are an important public good in Africa, not only because of their positive impact on economic development but also because they are a major focus of central government spending. Using data from...

This paper contributes to the aid effectiveness debate by applying a vector autoregression model to a panel of Sub-Saharan African countries. This method avoids the need for instrumental variables and allows one to analyse the impact of foreign aid on human development and on economic...

By detecting asymptomatic risk factors, such as hypertension, population-based screening can prevent disease but also induce use of low-value healthcare by false positives. Using data on individuals aged 40+ in rural South Africa and a multidimensional regression discontinuity design, we...