May 23

Former Harvard president Larry Summers admires the research of "rock star" French economist Thomas Piketty, but he's been skeptical that innovation and entrepreneurship don't have more to do with the high rate of return on capital. Innovation is great, Piketty…

May 16

Will the rich always get richer?

Our regular Social Security columnist takes issue with French economist Thomas Piketty's inequality theory. Income inequality is real, he thinks, but it doesn't stem from the rich accumulating and hoarding ever more private wealth.

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