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Barry Ritholtz

Monopolies Alone Don't Explain Why Stocks Soar

There are many reasons share prices can outpace U.S. economic growth.
Not the whole story.

Not the whole story.

Photographer: Scott Olson/Getty Images

Is America becoming a nation of price-fixing, monopolistic rent extractors?

That is the question raised recently in a working paper by a trio of researchers at Brown University. This question is also working its way into the mainstream news media.