https://www.economiesuisse.ch/de/artikel/kluge-steuerpolitik-bringt-wohlstand
https://www.ips-journal.eu/topics/economy-and-ecology/europes-new-energy-map-6649/?utm_campaign=en_1090_20230421&utm_medium=email&utm_source=newsletter
https://euagenda.eu/upload/publications/eurochambres-economic-survey-2018.pdf
https://cdn.occrp.org/projects/suisse-secrets-interactive/en/