https://www.cesifo.org/DocDL/cesifo1_wp6586.pdf
https://washingtonmonthly.com/2023/10/03/could-biden-decide-not-to-run/
https://www.icij.org/investigations/china-targets/china-transnational-repression-dissent-around-world/
https://www.conservativehome.com/thecolumnists/2021/11/daniel-hannan-proposals-to-restrict-mps-outside-work-run-up-against-the-same-problem-what-are-good-and-bad-jobs.html