https://www.wto.org/english/res_e/reser_e/ullbergpresentation_e.pdf
https://www.wto.org/english/news_e/pres18_e/pr820_e.htm
https://www.wto.org/english/tratop_e/dispu_e/487abr_e.pdf
https://www.bruegel.org/first-glance/energy-shock-which-there-no-playbook