@techreport{ReimannShettyKlechaetal.2023, author = {Christoph Reimann and Darshan Shetty and Dominik Klecha and Jasmin Munaf and Newell Boateng}, title = {Absence of external resources in Germany}, institution = {Fachbereich Wirtschaft}, pages = {III, 30 Seiten}, year = {2023}, }