@techreport{HorbachRammer, type = {Working Paper}, author = {Horbach, Jens and Rammer, Christian}, title = {Labor Shortage and Innovation}, number = {2020,2}, publisher = {Leibniz-Zentrum f{\"u}r Europ{\"a}ische Wirtschaftsforschung (ZEW)}, address = {Mannheim}, pages = {21}, language = {en} }