
https://www.iwkoeln.de/fileadmin/user_upload/Studien/IW-Trends/PDF/2018/IW-Trends_2018-03-07_Unternehmensaufspaltungen.pdf?mc_cid=e15c2358cf&mc_eid=286ad5ef5f

https://www.ussif.org/files/GSIR_Review2018F.pdf

https://www.brookings.edu/blog/order-from-chaos/2022/09/16/germany-must-shake-off-its-habit-of-finding-excuses-for-inaction/?utm_campaign=Brookings%20Brief&utm_medium=email&utm_content=226573158&utm_source=hs_email