
https://blogs.imf.org/2019/07/15/corporate-tax-rates-how-low-can-you-go/?utm_medium=email&utm_source=govdelivery

https://royalsociety.org/~/media/policy/Publications/2017/2017-05-technopolis-role-of-EU-funding-report.PDF

https://pubs.aeaweb.org/doi/pdfplus/10.1257/jep.34.4.105