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Capital in the Twenty-First Century cover

Capital in the Twenty-First Century

When returns on capital outpace growth, wealth concentrates.

by Thomas Piketty

Piketty draws on centuries of data to analyze wealth and income inequality across Europe and the United States. His central thesis is that when the return on capital exceeds the rate of economic growth, wealth concentrates over time. The book argues this dynamic can drive social and economic instability unless countered by policy.

Founders building companies and accumulating equity operate inside the long-run dynamics of capital that this book maps. Understanding how wealth concentrates and how policy responds helps you think about markets, talent, and the broader economy you compete in.

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