Paul Davidson's admirable and concise new introduction to Keynes the person and to the ideas of Keynes emphasizes Keynes's demonstration that even a competitive economy with freely flexible wages and prices may lack an adjustment mechanism to automatically restore full employment without active...

Cournot's Researches into the Mathematical Principles of the Theory of Wealth ( 1838) was ignored by the economics profession for forty years before its rediscovery by Stanley W. Jevons and Leon Walras. In those years, the only published recognition of it was a ten-page review in 1857 b y...