https://www.iwh-halle.de/fileadmin/user_upload/publications/gd/2022f/GD_F22_Langfassung_online.pdf
https://www.socialeurope.eu/2017/06/understanding-productivity-puzzle/
https://www.veblen-institute.org/Editorial-Assumer-l-impot
https://www.imf.org/-/media/Files/Publications/Fandd/Article/2022/June/Prasad.ashx