"We analyze the evolution of Sub-Saharan Africa's agricultural total factor productivity (TFP) over the past 40 years, looking for evidence of recent changes in growth patterns using a nonparametric Malmquist index. Our TFP estimates show a remarkable recovery in the performance of Sub-Saharan...

"The pressure on an already stressed water situation in South Africa is predicted to increase significantly under climate change, plans for large industrial expansion, observed rapid urbanization, and government programs to provide access to water to millions of previously excluded people. The...

Contemporary policy debates on the macroeconomics of resource booms often concentrate on the short-run Dutch disease effects of public expenditure ignoring the possible long-term effects of alternative revenue-allocation options and the supply-side impact of royalty-financed public investments....