
https://eml.berkeley.edu/~dromer/papers/RomerandRomerFinancialCrises.pdf

http://www.globalcommissionondrugs.org/wp-content/uploads/2018/09/ENG-2018_Regulation_Report_WEB-FINAL.pdf

https://theconversation.com/ukraine-war-russia-has-the-upper-hand-in-the-ground-war-but-at-sea-its-a-different-story-234870