https://www.bruegel.org/dataset/national-energy-policy-responses-energy-crisis
https://pdf.sciencedirectassets.com/272083/1-s2.0-S1090951623X00030/1-s2.0-S1090951622001109/main.pdf
https://www.bain.com/globalassets/noindex/2021/bain_report_enr_report_2021.pdf