The Great Green Wall (GGW) has been advocated as a means of reducing desertification in the Sahel through the planting of a broad continuous band of trees from Senegal to Djibouti. Initially proposed in the 1980s, the plan has received renewed impetus in light of the potential of climate change...

A policy reform such as trade liberalisation can accelerate structural change in an economy, causing an exogenous shift in relative factor demands. For some developing countries, the result may be an increase in skills demand associated with the adoption of newly available foreign technology and...