Columbia subject headings:
Harvard subject headings:
European Union countries--Economic policy.
European Union countries--Emigration and immigration--Government policy.
Germany--Economic policy--1990-
Germany--Emigration and immigration--Government policy.
Labor market--Germany.
Princeton subject headings:
European Union countries--Economic policy.
European Union countries--Emigration and immigration--Government policy.
Germany--Economic policy--1990-
Germany--Emigration and immigration--Government policy.
Labor market--Germany.