https://wiiw.ac.at/regulatory-convergence-within-technical-barriers-to-trade-dlp-6630.pdf
https://sosapadilla.github.io/files/papers/Bianchi_Sosa-Padilla_PP.pdf
https://ecipe.org/wp-content/uploads/2022/08/ECI_22_PolicyBrief_UKTrade_07_2022_LY01.pdf
https://economy2030.resolutionfoundation.org/wp-content/uploads/2023/06/Trading-Up.pdf