https://wiiw.ac.at/digital-tasks-and-ict-capital-methodologies-and-data-dlp-6429.pdf
https://www.bruegel.org/sites/default/files/2023-04/PB%2009%202023_0.pdf
https://www.imf.org/~/media/Files/Publications/WEO/2018/October/English/c2.ashx?la=en
https://www.bain.com/globalassets/noindex/2021/bain_report_enr_report_2021.pdf