https://www.wto.org/english/res_e/booksp_e/00_gvc_dev_report_2021_e.pdf
http://www.cesifo-group.de/ifoHome/publications/working-papers/CESifoWP/CESifoWPdetails?wp_num=6456&CESifoWP.search=+
https://ecipe.org/wp-content/uploads/2022/02/ECI_22_PolicyBrief-TimeForFresh_01_2022_LY04.pdf
https://wiiw.ac.at/trade-balances-and-international-competitiveness-in-cyber-physical-digital-task-intensive-ict-capital-intensive-and-traditional-industries-dlp-6561.pdf