The objective of this paper is to assess the potential demand for a new value-added cowpea product – cowpea flour for purchase by women street food vendors. We use a non-hypothetical real purchase decision mechanism that involves real purchase exchanges of 1 kg packages of cowpea flour in a...

We use field experiments in Niger to investigate the nature and efficiency of contractual structures in market transactions between kossai vendors and cowpea grinders (key input suppliers). Three contractual structures were employed: gift contract, standard price contract and discretionary bonus...