It's almost impossible to definitively answer why the economy is booming, but several factors might be in play.
Elizabeth Warren wants to make companies also consider workers, customers and local communities.
Technology-related venture capital in the U.S. seems to be concentrated in three coastal cities.
The number of students pursuing degrees in the humanities has plummeted since the financial crisis.
Drug abuse and inadequate child care cause too many to drop out of the labor force.
Well-off white men make connections that help them get ahead of their classmates.
The returns can be great, unless the investment winds up under water.
There might be lots of reasons, but market-beating performance isn't one of them.
Superstar cities can't help all the places and people being left behind.
The wealthiest invest less in housing and more in stocks, generating higher returns.