This study estimates and compares the effects of small and large irrigation dams on cropland productivity in South Africa. To this end, a panel data set of South African river basins is constructed. The econometric analysis reveals that although large dams increase cropland productivity...

We investigate the effect of climate change on crop productivity in Africa using satellite derived data on land use and net primary productivity (NPP) at a small river basin scale, distinguishing between the impact of local and upper-catchment weather. Regression results show that both of these...

We estimate and compare the effects of small and large irrigation dams on cropland productivity in South Africa (SA). To this end we construct a panel data set of SA river basins. The econometric analysis reveals that while large dams increase cropland productivity downstream, they have a...

This paper investigates the determinants of crop yield and profit of small family farms in Senegal using both a production and a profit function. The econometric analysis is based on information on agricultural inputs and outputs from 505 agricultural household members of a farmer organization...

This analysis considers the importance of water availability in crop growth at the crop plot level in South Africa. We focus on the four major grain producing provinces: Northwest, Mpumalanga, Free State and Gauteng. To this end we estimate the determinants of biomass production along the crop...

Governments and donors are investing considerable resources on HIV prevention in order to scale up these services rapidly. Given the current economic climate, providers of HIV prevention services increasingly need to demonstrate that these investments offer good ‘value for money’. One of the...

Changes in agricultural land use have important implications for environmental services. Previous studies of agricultural land-use futures have been published indicating large uncertainty due to different model assumptions and methodologies. In this article we present a first comprehensive...

Recent studies assessing plausible futures for agricultural markets and global food security have had contradictory outcomes. To advance our understanding of the sources of the differences, 10 global economic models that produce long-term scenarios were asked to compare a reference scenario with...

Agriculture is unique among economic sectors in the nature of impacts from climate change. The production activity that transforms inputs into agricultural outputs involves direct use of weather inputs (temperature, solar radiation available to the plant, and precipitation). Previous studies of...

Understanding the capacity of agricultural systems to feed the world population under climate change requires projecting future food demand. This article reviews demand modeling approaches from 10 global economic models participating in the Agricultural Model Intercomparison and Improvement...