King, Charles; Silk, Alvin J.; Ketelhöhn, Niels - In: Journal of Economics & Management Strategy 12 (2003) 3, pp. 327-362
We investigate knowledge spillovers and externalities in the disagglomeration and growth of the advertising-agency industry. A simple model of high demand, low wages, and externalities associated with clusters of related industries can explain the dispersion of advertising agency employment...