Columbia subject headings:
Harvard subject headings:
Labor supply--Effect of technological innovations on--Germany--Munich Region.
Labor supply--Effect of technological innovations on--Germany--Ruhr (Region)
Munich Region (Germany)--Economic conditions.
Ruhr (Germany : Region)--Economic conditions
Princeton subject headings:
Labor supply--Germany (West)--Munich Region--Effect of technological innovations on.
Labor supply--Germany (West)--Ruhr (Region)--Effect of technological innovations on.
Munich Region (Germany)--Economic conditions.
Ruhr (Germany : Region)--Economic conditions.