Trust is crucial for successful collective action. A prime example is collective commercialization of agricultural produce through producer organizations. We conduct a cluster-randomized controlled trial in rural Senegal in which we vary the number and the type of smallholder farmers - members...

Niger is a landlocked Sahelian country, two-thirds of which is in the Sahara Desert. Although only one-eighth of the land considered arable, the overwhelming majority of Niger's households is involved in rain-fed agriculture largely for subsistence. Given erratic rainfall and low soil fertility,...

Niger is a landlocked Sahelian country, two-thirds of which is in the Sahara desert, with only one-eighth of the land considered arable. Nevertheless, more than 90 percent of Niger’s labor force is employed in agriculture, which is predominantly subsistence oriented. Since the great famines of...