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Piketty’s Missing Knowhow

CAMBRIDGE – Theoretical frameworks are great because they allow us to understand fundamental aspects of a complex world in much simpler terms, just as maps do. But, like maps, they are useful only up to a point. Road maps, for example, do not tell you current traffic conditions or provide updates on highway repairs.

A useful way to understand the world’s economy is the elegant framework presented by Thomas Piketty in his celebrated book Capital in the Twenty-First Century. Piketty splits the world into two fundamental substances – capital and labor. Both are used in production and share in the proceeds.