https://www.ecb.europa.eu/stats/accesstofinancesofenterprises/pdf/ecb.safe202005~c4b89a43b9.en.pdf
https://www.bruegel.org/wp-content/uploads/2021/05/PC-2021-11-ecofin-210521.pdf
https://www.occrp.org/en/daily/12149-denmark-will-not-give-aid-to-companies-registered-in-tax-havens