APA
Ferrara A., National Bureau of Economic Research, Testa P. A. & Zhou L. (2024). New area- and population-based geographic crosswalks for U.S. counties and congressional districts, 1790–2020. Cambridge: NBER.
Chicago
Ferrara Andreas, National Bureau of Economic Research, Testa Patrick A and Zhou Liyang. 2024. New area- and population-based geographic crosswalks for U.S. counties and congressional districts, 1790–2020. Cambridge: NBER.
Harvard
Ferrara A., National Bureau of Economic Research, Testa P. A. and Zhou L. (2024). New area- and population-based geographic crosswalks for U.S. counties and congressional districts, 1790–2020. Cambridge: NBER.
MLA
Ferrara Andreas, National Bureau of Economic Research, Testa Patrick A and Zhou Liyang. New area- and population-based geographic crosswalks for U.S. counties and congressional districts, 1790–2020. Cambridge: NBER. 2024.
TextSeries: NBER Working Papers ; 32206Publication details: Cambridge NBER 2024Description: 43pSubject(s): Online resources:
Working Papers (Electronic)
