https://archive.ph/2024.04.09-021350/https://www.economist.com/by-invitation/2024/04/08/steven-levitt-and-john-donohue-defend-a-finding-made-famous-by-freakonom

https://archive.ph/2024.04.09-021350/https://www.economist.com/by-invitation/2024/04/08/steven-levitt-and-john-donohue-defend-a-finding-made-famous-by-freakonomics https://archive.ph/2024.04.09-021350/https://www.economist.c...