
https://www.brookings.edu/articles/three-things-we-learned-from-the-2023-elections-and-the-gop-debate/

https://docs.house.gov/meetings/JU/JU05/20220517/114776/HHRG-117-JU05-Wstate-LynnB-20220517.pdf

https://www.sbs.strath.ac.uk/economics/fraser/20170322/FEC-Vol41-No1.pdf