Czarnitzki, Dirk; Spielkamp, Alfred - 2015
business services are believed to be one of the main drivers of technical changes and economic progress. Looking at the labour … services. About 8 percent of total employment in West Germany is in business services. In particular, by taking advantage of … indices calculated over the period from 1982 to 1996 one notices a remarkable increase of over 70 percent for the business …