While the entry of new immigrants into the German labour market is usually controlled by the local labour authorities, no such controls exist for contract workers (Werkvertragsarbeitnehmer), who are subject to national quotas which are fixed in the medium term. Therefore the ease of contract...

Der Nobelpreis für Wirtschaftswissenschaften geht 2021 an David Card für seine empirischen Beiträge zur Arbeitsökonomik sowie an Joshua Angrist und Guido Imbens für ihre methodischen Beiträge zur Analyse kausaler Zusammenhänge. Die Analyse kausaler Zusammenhänge in der empirischen...

While the entry of new immigrants into the German labour market is usually controlled by the local labour authorities, no such controls exist for contract workers (Werkvertragsarbeitnehmer), who are subject to national quotas which are fixed in the medium term. Therefore the ease of contract...