Ferrara, Andreas; Testa, Patrick A.; Zhou, Liyang - National Bureau of Economic Research - 2024
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 …