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Cass R. Sunstein

Why Worry About Inequality?

What, exactly, is wrong with economic inequality?
A just society requires economic security for all. Photographer: John Moore/Getty Images
A just society requires economic security for all. Photographer: John Moore/Getty Images

What, exactly, is wrong with economic inequality?

Thomas Piketty's improbable best-seller, "Capital in the Twenty-First Century," has put that question in sharp relief. As just about everyone now knows, Piketty contends that over the next century, inequality is likely to grow. In response, he outlines a series of policies designed to reduce wealth at the very top of society, including a progressive income tax and a global wealth tax.