This paper investigates the productive value of crop biodiversity, with an application to a farming system in the Tigray region in the highlands of Ethiopia. We examine a general measure of the productive value of crop biodiversity and its components. Using Ethiopian farm-level data,...

Sunk costs play a significant role in shaping industry conduct and development outcomes associated "with the resource extraction sector. Their role is explored here by: (1) developing analytical models that show specifically how sunk costs influence investment behavior and outcomes; and (2)...

This paper investigates the dynamic effects of rainfall shocks on agroecosystems productivity. The analysis estimates a panel data model of cereal production in southern Italy. It documents the adverse effects of a reduction in rainfall on the agroecosystem productivity both in the short run and...