For most of the 20th century, the compact between employers and employees in the developed world was all about stability. Jobs at big corporations were secure: As long as the company did OK financially and the employee did his or her job, that job wouldn’t go away. And in the white-collar world, careers progressed along an escalator of sorts, offering predictable advancement to employees who followed the rules. Corporations, for their part, enjoyed employee loyalty and low turnover.

A version of this article appeared in the June 2013 issue of Harvard Business Review.