https://www.foreignaffairs.com/united-states/2008-crisis-never-saw-coming
https://cerre.eu/wp-content/uploads/2023/06/CERRE_Future-of-Rail-Report_06.06.2023.pdf
https://www.persee.fr/doc/rfeco_0769-0479_1995_num_10_2_978
https://www.bruegel.org/sites/default/files/2023-04/PB%2009%202023_0.pdf