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Die Geografie der Kreativen Klasse in Deutschland
Fritsch, Michael, (2006)
Occupational and locational substitution: measuring the effect of occupational and regional mobility
Aldashev, Alisher, (2009)
Unequal pay or unequal employment? What drives the skill-composition of labor flows in Germany?
Arntz, Melanie, (2011)
1966 and all that
Lees, Dennis S., (1970)
Uncertainty and the welfare economics of medical care: Comment
Lees, Dennis S., (1965)