Do national borders and ethnicity contribute to market segmentation between and within countries? This paper uses unique and high-frequency data on narrowly-defined goods to gauge the extent to which a national border impedes trade between developing countries (Niger and Nigeria). Using a...

This paper explores the idea that competitive seed systems may underserve farmers in small, agro-ecological niches, leaving those farmers less productive and poorer than they need be. We develop a theoretical model of the confluence of demand and supply factors that can result in such an...

Work in positive psychology decomposes hope into aspirations, agency, and pathways. Operating in the context of an economic model developed with this framework, we review the literature on hope from philosophy, theology, psychology, and its relationship to emerging work on aspirations in...

Utilizing a multi-year, spatially diversified randomized controlled trial spanning two African countries, this paper explores whether bundled genetic and financial technologies can boost the resilience and productivity of small-scale farmers who are exposed to significant risk. The analysis...