We propose a test of whether self-reported network data is best seen as an actual link or willingness to link and, in the latter case, whether this link is generated by an unilateral or bilateral link formation process. We illustrate this test using survey answers to a risk-sharing question in...

Using village data from Tanzania, we test whether gifts and loans between households are voluntary while correcting for mis-reporting by the giving and receiving households. Two maintained assumptions underlie our analysis: answers to a question on who people would turn to for help are good...

Using a rich dataset from West Africa we study the determinants of membership in rural producer organizations (RPO). We ...nd that on average it is the more fortunate members of rural society who belong in RPOs. In Senegal, the dominant criteria are land ownership. In Burkina Faso it is economic...