Even though the pools of workers may be somewhat segmented, there is enough overlap that it forces service-intensive industries to pay higher wages, at least in the long run.
Ook al is er misschien sprake van enige scheiding tussen de diverse soorten werknemers, er is genoeg 'overlap' die ertoe dwingt dat dienstverlenende bedrijven – althans op de langere termijn – hogere lonen moeten betalen.