This article demonstrates how Integrated Agricultural Research for Development (IAR4D) impacts on collective marketing among smallholder farmers of southern Africa through increased crop productivity, yields and income. We use a quasi-experimental design to compare outcomes under IAR4D and under...

With a surface area of 1,267,000 square kilometres, Niger is a vast Sahelian country located in the south of the Sahara Desert, which covers over two thirds of its land. In 2015, it had an estimated population of 17 million inhabitants and a particularly high growth rate of 3.3 per cent. It is...