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- Arrow–Debreu_model abstract "In mathematical economics, the Arrow–Debreu model suggests 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 often used as a general reference for other microeconomic models. It is named after Kenneth Arrow, Gérard Debreu, and sometimes also Lionel W. McKenzie for his later improvements in 1959.The AD 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; however, with extra assumptions on consumer preferences, namely that their utility functions be strongly concave and twice continuously differentiable, a unique equilibrium exists. With weaker conditions, uniqueness can fail, according to the Sonnenschein–Mantel–Debreu theorem.".
- Arrow–Debreu_model thumbnail Unit_circle.svg?width=300.
- Arrow–Debreu_model wikiPageID "1239556".
- Arrow–Debreu_model wikiPageRevisionID "602553730".
- Arrow–Debreu_model authorlink "Ross Starr".
- Arrow–Debreu_model first "Ross M.".
- Arrow–Debreu_model last "Starr".
- Arrow–Debreu_model year "1969".
- Arrow–Debreu_model subject Category:Economics_models.
- Arrow–Debreu_model subject Category:Finance_theories.
- Arrow–Debreu_model subject Category:General_equilibrium_and_disequilibrium.
- Arrow–Debreu_model subject Category:Mathematical_finance.
- Arrow–Debreu_model comment "In mathematical economics, the Arrow–Debreu model suggests 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 often used as a general reference for other microeconomic models.".
- Arrow–Debreu_model label "Arrow-Debreu-Gleichgewichtsmodell".
- Arrow–Debreu_model label "Arrow-Debreu-model".
- Arrow–Debreu_model label "Arrow–Debreu model".
- Arrow–Debreu_model label "Modello di Arrow-Debreu".
- Arrow–Debreu_model label "Modelo Arrow-Debreu".
- Arrow–Debreu_model label "Модель Эрроу-Дебрё".
- Arrow–Debreu_model sameAs Arrow%E2%80%93Debreu_model.
- Arrow–Debreu_model sameAs Arrow-Debreu-Gleichgewichtsmodell.
- Arrow–Debreu_model sameAs Modelo_Arrow-Debreu.
- Arrow–Debreu_model sameAs Modello_di_Arrow-Debreu.
- Arrow–Debreu_model sameAs Arrow-Debreu-model.
- Arrow–Debreu_model sameAs Q702933.
- Arrow–Debreu_model sameAs Q702933.
- Arrow–Debreu_model wasDerivedFrom Arrow–Debreu_model?oldid=602553730.
- Arrow–Debreu_model depiction Unit_circle.svg.