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Léon Walras

French mathematical economist (*1834 - †1910) · France · Academics · Died at 75

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He turned economics into equations. Léon Walras built the first mathematical model showing how all markets in an economy might clear at once - a framework so elegant that Schumpeter called him the greatest economist who ever lived.

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In their own words 1

,
Léon Walras
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One statement
  1. I say that things are useful whenever they can be put to any use at all; whenever they are seen to be capable of satisfying a want.

    1874, Léon Walras, Elements d'économie pure, ou théorie de la richesse sociale, 1874, Translation, Routledge, 1954/2013, p. 65., Own words

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In their orbit

Father: Auguste Walras

About this person

Born in France in 1834, Walras developed the marginal theory of value at the same time as Jevons and Menger, working independently. His major work, Éléments d'économie politique pure, introduced general equilibrium theory: the idea that markets reach balance through a process of trial and error - what he called tâtonnement, guided by an imaginary auctioneer adjusting prices until supply meets demand everywhere at once. Pareto, Wicksell, and Cassel adopted the framework quickly. Decades later Hicks and Samuelson wove it into the neoclassical synthesis, and Arrow and Debreu refined the logical conditions under which equilibrium could exist. Walras died in 1910, having recast economics as a discipline of simultaneous equations.

Country
France
Category
Academics
Type
Academic
Status
deceased
Dates
Lived 1834 to 1910 · aged 75

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