https://ecipe.org/wp-content/uploads/2020/10/ECI_20_OccPaper_07_2020_Ex-ante_Regulations_LY06.pdf
https://cyberbrics.info/wp-content/uploads/2021/10/Ian-Brown-COMPETITION-POLICY-BRIEFINGS-IN-THE-BRICS.pdf
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https://www.elibrary.imf.org/view/books/082/465808-9781513595603-en/ch002.xml