Ghobadian, Abby; Ashworth, John - In: International Journal of Operations & Production Management 14 (1994) 5, pp. 35-51
In most industrialized economies the services sector accounts for more than half the GNP. Moreover, the services sector, unlike other sectors, has grown steadily over the past two decades. The productivity of the sector, on the other hand, has remained broadly static over the comparable period....