counties. We construct population-based crosswalks for 1790 through 2020, which map county-level data across U.S. censuses, as … well as from counties to congressional districts. Using official census data for congressional districts, we show that … population-based weights outperform area-based ones in terms of similarity to official data …

economy. This might be happening already in many places with the modernization of irrigated agriculture, the world's largest … irrigation techniques seem not to be contributing to reduce water scarcity and increase drought resiliency. In fact, according to … appear. This basic model is expected to serve as guidance for assessing the actual outcomes of increasing irrigation …