In this paper, a structural gravity model is presented which features intra-sector heterogeneity in agricultural productivity systematically linked to land and climate characteristics. The "systematic heterogeneity" (SH) gravity model predicts that countries with similar land and climate...

While cash transfers will tautologically increase contemporaneous consumption, it is unclear whether these gains will persist, especially in rural agricultural settings with limited productive investment opportunities. Using bi-monthly survey data from recipients of a large, unconditional cash...