substitutes or complements using an individual-level dataset of groundwater usage that accounts for 3% of US irrigated agriculture … reciprocity- and/or race-to-depletion-like dynamics are key to understanding groundwater usage. …

We investigate the strategic nature of farmers' groundwater usage with a rich dataset from the American Midwest. We … propose a new revealed preference test for the groundwater interaction as a dynamic game. We reject a view of groundwater …