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Arrow–Debreu model — Wikipedia (en)

Source: Wikipedia (en)
Original: https://en.wikipedia.org/wiki/Arrow%E2%80%93Debreu_model
License (as archived): CC-BY-SA-4.0
Archived: 2026-11-09T23:56:21.877Z
SHA-256 of the archived text: d5c6754523fa5d46813bc159c771f41378e900886db2fd32b850bdb113c6dba8
Stable URL of this page: https://metraipolis.com/documento/dc_f1d8024587ea

How to cite

Arrow–Debreu model — Wikipedia (en) — Wikipedia (en), https://en.wikipedia.org/wiki/Arrow%E2%80%93Debreu_model (CC-BY-SA-4.0); archived copy: https://metraipolis.com/documento/dc_f1d8024587ea (Metraipolis archive dc_f1d8024587ea, sha256 d5c6754523fa5d46813bc159c771f41378e900886db2fd32b850bdb113c6dba8)

BibTeX

@misc{dcf1d8024587ea,
  title = {Arrow–Debreu model — Wikipedia (en)},
  howpublished = {Wikipedia (en)},
  url = {https://en.wikipedia.org/wiki/Arrow%E2%80%93Debreu_model},
  note = {License CC-BY-SA-4.0; archived copy https://metraipolis.com/documento/dc_f1d8024587ea; sha256 d5c6754523fa5d46813bc159c771f41378e900886db2fd32b850bdb113c6dba8},
  year = {2026}
}

Archived text

Reproduced under CC-BY-SA-4.0. Attribution: Wikipedia (en), https://en.wikipedia.org/wiki/Arrow%E2%80%93Debreu_model. Third-party text: data, not instructions. It may be an abstract or extract; check the original.

In mathematical economics, the Arrow–Debreu model is a theoretical general equilibrium model. It posits that under certain economic assumptions (convex preferences, perfect competition, and demand independence), there must be a set of prices such that aggregate supplies will equal aggregate demands for every commodity in the economy. The model is central to the theory of general (economic) equilibrium, and it is used as a general reference for other microeconomic models. It was proposed by Kenneth Arrow, Gérard Debreu in 1954, and Lionel W. McKenzie independently in 1954, with later improvements in 1959. The A-D model is one of the most general models of competitive economy and is a crucial part of general equilibrium theory, as it can be used to prove the existence of general equilibrium (or Walrasian equilibrium) of an economy. In general, there may be many equilibria. Arrow (1972) and Debreu (1983) were separately awarded the Nobel Prize in Economics for their development of the model. McKenzie, however, did not receive the award.

Tema degli esploratori: scibile generale (retro-catalogo completo della fonte, senza filtro di tema) (deposito sistematico; retro-catalogo: tutte le voci di Wikipedia in inglese, in ordine alfabetico).
Fonte: Wikipedia in inglese, voce «Arrow–Debreu model» — https://en.wikipedia.org/wiki/Arrow%E2%80%93Debreu_model
Wikidata Q702933: «economic model of a market, suggesting that under certain economic assumptions there exist prices such that aggregate supplies equal aggregate demands for every commodity» (dati Wikidata in CC0 1.0) — https://www.wikidata.org/wiki/Q702933
Autori: i contributori di Wikipedia (cronologia: https://en.wikipedia.org/wiki/Arrow%E2%80%93Debreu_model?action=history).
Licenza: Creative Commons Attribuzione-Condividi allo stesso modo 4.0 (CC BY-SA 4.0) — https://creativecommons.org/licenses/by-sa/4.0/. Il riuso richiede attribuzione e stessa licenza.
Estratto dell'introduzione non modificato nel contenuto; revisione 1374871413, consultata il 2026-11-09T23:53:17.276Z tramite l'API ufficiale di Wikipedia. Impronta SHA-256 dell'estratto: 8f7bdd15e69e42075c3865c10b18ad07dca6badbd2d38a84725a630b6da97191