U.S. employers are relying more and more on ‘disposable’ workers. Here’s why

A labor economist explains the surge behind the 3 types of disposable workers.

[Source Illustration: Getty Images]

When I leave my Boston condo every day, I say good morning to the concierge, who works for a contracting company providing staff to residential buildings. When I conduct an interview in a nearby building, the people who clean that office at night are contractors. The person who serves me my lunch sandwich is a part-timer........

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