http://unctad.org/en/PublicationsLibrary/wir2017_en.pdf
https://www.frontier-economics.com/media/5550/a-wholesale-gas-price-cap-in-europe.pdf
https://ec.europa.eu/commission/presscorner/api/files/document/print/en/ip_23_4348/IP_23_4348_EN.pdf
https://www.brookings.edu/blog/future-development/2022/07/29/measuring-business-uncertainty-in-developing-and-emerging-economies/?utm_campaign=Brookings%20Brief&utm_medium=email&utm_content=221280894&utm_source=hs_email