https://www.bancaditalia.it/pubblicazioni/qef/2018-0422/QEF_422_18.pdf
https://www.brookings.edu/blog/future-development/2018/04/03/the-middle-productivity-trap-why-are-less-productive-firms-systematically-lagging-behind/?utm_campaign=Brookings%20Brief&utm_source=hs_email&utm_medium=email&utm_content=61867197
https://corporateeurope.org/en/2023/09/businesseurope-death-star-corporate-lobbying
https://cerre.eu/wp-content/uploads/2023/07/CERRE-DSA-Systemic-Risk-Report.pdf