https://wiiw.ac.at/digital-tasks-and-ict-capital-methodologies-and-data-dlp-6429.pdf
https://www.ips-journal.eu/index.php?id=340&L=0&tx_news_pi1%5Bnews%5D=4059&tx_news_pi1%5Bcontroller%5D=News&tx_news_pi1%5Baction%5D=detail&utm_source=newsletter&utm_medium=email&utm_campaign=en_749_20200211&cHash=08f2b0f89bccfe027a01bc780456d695
https://www.bruegel.org/sites/default/files/wp_attachments/China-WP-02-050422-final.pdf