https://ecipe.org/wp-content/uploads/2021/12/ECI_21_PolicyBrief_16_2021_LY03.pdf
https://www.economiesuisse.ch/de/artikel/kluge-steuerpolitik-bringt-wohlstand
https://www.bakerinstitute.org/media/files/files/ac785a2b/BI-Brief-071817-CES_Russia1.pdf
https://www2.itif.org/2023-us-v-china-innovation.pdf