University of Chicago economist Luigi Zingales often says that only an immigrant like himself can really appreciate American capitalism. In his native Italy, Zingales says what you know and what you do are far less important that who you know and what you do for them. 

But in the last decade, Zingales says the United States has started to look more and more like the country he left. Now, he’s trying to save American capitalism from itself—and big businesses including Amazon, Facebook and Google.

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