Gorbunov V.K. To the Theory of Market Demand: Regularity and Economic Equilibrium. // Economics of contemporary Russia 2013. ¹4 (63) Ñ.19-35.
   The problem of the theory of aggregate (market) demand, which is, according to Walras, the sum of demands of individuals maximizing their «utilities» (preferences functions), consists in absence at such a demand of analytical properties of individual demand («impossibility theorems» of Gorman and of Sonnenschein-Mantel-Debreu). The problem’s resolving on the basis of notion «the statistical ensemble of consumers» as initial object is suggested. A corresponding modification of the Cassel-Wald model of economic equilibrium with representation of collective preferences via vector field is presented. It is shown that the Arrow-Debreu model with unified commodities (goods and factors) is not consistent with the theory of market demand.
Keywords:
Statistical ensemble of consumers, market demand, field of preferences, economic equilibrium, Cassel-Wald model, Arrow-Debreu model.


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