https://ecipe.org/wp-content/uploads/2023/07/ECI_23_PolicyBrief_08-2023_LY02.pdf
https://www.theguardian.com/politics/2017/sep/04/uk-trade-deals-after-brexit-theresa-may-eu
http://www.cesifo-group.de/ifoHome/publications/working-papers/CESifoWP/CESifoWPdetails?wp_num=6456&CESifoWP.search=+
https://lawliberty.org/features/mark-helprin-and-the-survival-of-the-american-nation/