Guess What's Destroying the Middle Class?

Of the three things cited for depressing U.S. middle-class wages -- robots, weakening unions and China -- only China matters.

Here's the answer.

Photographer: Lucas Schifres/Getty Images)

Perhaps the biggest question in American political economy right now is why middle-class wages have been falling. There are three main hypotheses. Roughly, these are: Robots, unions and China. 

To continue reading this article you must be a Bloomberg Professional Service Subscriber.