Le problème de l'agrégation: un essai de synthèse

Vivien Lévy-Garboua and François-Bernard Denizot

Revue Économique, 1972, vol. 23, issue 1, 20-53

Abstract: [fre] In this paper, we give a general formulation of the aggregation problem, which includes both the aggregation of weak orderings (Arrow aggregation), and that of functional relationships, whether probabilistic or not (econometric problem of aggregation).. The general impossibility of perfect aggregation induces us to define approximate aggregation. Of course, the estimation problems must be taken into account in practical cases : the model (detailed or simplified) to be used depends on the relative independance of the behaviors one seeks to aggregate. [eng] In this paper, we give a general formulation of the aggregation problem, which includes both the aggregation of weak orderings (Arrow aggregation), and that of functional relationships, whether probabilistic or not (econometric problem of aggregation).. The general impossibility of perfect aggregation induces us to define approximate aggregation. Of course, the estimation problems must be taken into account in practical cases : the model (detailed or simplified) to be used depends on the relative independance of the behaviors one seeks to aggregate.

Date: 1972
Note: DOI:10.3406/reco.1972.408008
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