From this article in Vanity Fair

With youth unemployment in America at around 20 percent (and in some locations, and among some socio-demographic groups, at twice that); with one out of six Americans desiring a full-time job not able to get one; with one out of seven Americans on food stamps (and about the same number suffering from “food insecurity”)—given all this, there is ample evidence that something has blocked the vaunted “trickling down” from the top 1 percent to everyone else.