To Understand Rising Inequality, Consider the Janitors at Two Top Companies, Then and Now

Focusing on core competence and outsourcing the rest has made U.S. companies lean, nimble and productive. It has also left lots of people worse off.
Read more: https://www.nytimes.com/2017/09/03/upshot/to-understand-rising-inequality-consider-the-janitors-at-two-top-companies-then-and-now.html?source=Snapzu