US employers are increasingly relying on ‘disposable’ workers - and the public pays a price

The use of part-timers increased by 500,000 in the years after the Affordable Care Act was implemented

There's no way to climb a ladder without rungs. John Lund/Photodisc via 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 offi