Why is agricultural productivity so low in poor countries relative to the rest of the world? Is it due to geography or constrained economic choices? We assess the quantitative role of geography and land quality for agricultural productivity differences across countries using high-resolution...

This article examines and quantifies the relationship between local amenities and prices in an equilibrium model, demonstrating the role of non-traded goods and federal taxes. I derive formulae using factor shares to infer local land rents, productivity, and the total value of amenities from...

We estimate the factors determining specialization of crop choice at the level of individual fields, distinguishing between the role of natural advantage (soil characteristics) and economies of density (scale economies achieved when farmers plant neighboring fields with the same crop). Using...