https://wiiw.ac.at/digital-tasks-and-ict-capital-methodologies-and-data-dlp-6429.pdf
https://www.brookings.edu/blog/techtank/2020/07/31/big-tech-and-antitrust-pay-attention-to-the-math-behind-the-curtain/?utm_campaign=Brookings%20Brief&utm_medium=email&utm_content=92428572&utm_source=hs_email
https://www.politico.eu/article/ukraine-warns-it-wont-negotiate-new-russian-gas-transit-deal/
https://socialeurope.eu/corporate-tax-avoidance-after-the-double-irish