Articles

A Note on Affine Aggregation

P. MONGIN

Economics Letters

1995, vol. 47, pp.177-183

Départements : Economie et Sciences de la décision, GREGHEC (CNRS)


If a vector-valued function has convex range and one of its components is related to the others by a Pareto-like condition, that component must be affine w.r.t. the others; sign restrictions on the coefficients follow from suitably strengthening the unanimity condition. The theorem is applied to social choice and decision theories


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