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Gérard Debreu
Economist

Gérard Debreu

Famoose for

Mathematical foundations of general economic equilibrium.

Equilibrium existence · Theory of Value

Born
4 July 1921
Birthplace
Calais
Died
31 December 2004

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Gérard Debreu

French-born economist and mathematician whose rigorous models shaped economic theory. Received the 1983 economics Nobel memorial prize.

Early life

Mathematical formation

Studied at the École normale supérieure from 1941. Military service interrupted his examinations; later moved from mathematics into economics.

Career

  1. 1950

    Cowles Commission

    Joined the research group at the University of Chicago.

  2. 1955

    Yale

    Moved with the Cowles programme.

  3. 1962

    Berkeley

    Joined the University of California faculty.

  4. 1983

    Nobel recognition

    Honoured for rigorous methods in economic theory.

Selected work

Equilibrium existence

With Kenneth Arrow, proved existence of a competitive equilibrium under specified assumptions.

Theory of Value

Set out an axiomatic account of economic equilibrium.

Beyond work

Family

Married Françoise Bled in 1946 and had two daughters, Chantal and Florence.

Sources & photo creditBiography and career ↗Biographical references ↗

Original photograph. Cropped and displayed in monochrome.

Photo: Konrad Jacobs, Erlangen, Copyright is with MFO. CC BY-SA 2.0 de · Original image. Cropped and displayed in monochrome.