https://www.cesifo.org/DocDL/cesifo1_wp7982.pdf
https://www.santandercb.co.uk/sites/default/files/documents/trade_barometer_spring_2022.pdf
https://www.ftc.gov/system/files/documents/reports/nixing-fix-ftc-report-congress-repair-restrictions/nixing_the_fix_report_final_5521_630pm-508_002.pdf
https://somme450.wixsite.com/scott/research