This article introduces a method for estimating structural labor supply models in the presence of unobservable wages and deviations of households' marginal revenue product of self-employed labor from their shadow wage. This method is therefore robust to a wide range of assumptions about labor...

African countries continue to face deepening food crises that have been accentuated by the global food, energy, and financial crises. This situation is part of a long-term structural problem: decades of under-investments in agricultural sector and poor policies of support for smallholder farmers...