
https://commission.europa.eu/system/files/2023-06/COM_2023_311_1_EN_annexe_autre_acte_part1_v7.pdf

https://static1.squarespace.com/static/5e449c8c3ef68d752f3e70dc/t/60eee57a56b0254d2f05a6b8/1626269051310/AmazonSurveillance_Report_2021_Final.pdf

https://www.econstor.eu/bitstream/10419/271918/1/cesifo1_wp10274.pdf