Geography plays a prominent role in many problems in development economics-directly in analyses of the spatial distribution of important variables like poverty and productivity, and indirectly through the role of local spillovers in economic growth. Empirical work on these topics is complicated...

A core insight from early behavioral economics is that much of human judgment and behavior is influenced by "fast thinking" that is intuitive, associative, and automatic; very little human thinking resembles the rational thinking that characterizes homo economicus. What is less well-recognized is...