Berthold, Norbert (contributor); Fricke, Holger (contributor) - 2007
“Die Bundesländer im Standortwettbewerb 2005”, which followed the predecessor
studies that were edited in 2001 and 2003 … level and economic growth as parameters)
“Beschäftigung” (employment, with unemployment rate and employment rate as … „Die Bundesländer im Standortwettbewerb“. See for example
Berthold and Drews (2001), pp. 290-293 for a detailed …