Journal Of The Econometric Society

An International Society for the Advancement of Economic
Theory in its Relation to Statistics and Mathematics

Edited by: Guido W. Imbens • Print ISSN: 0012-9682 • Online ISSN: 1468-0262

Econometrica: Jan, 1986, Volume 54, Issue 1

Simultaneity of Issues and Additivity in Bargaining<153:SOIAAI>2.0.CO;2-P
p. 153-170

Hans Peters

Simultaneous bargaining over more issues by two bargainers is treated by taking sums of bargaining games and requiring bargaining solutions to satisfy certain (super-) additivity axioms. A (new) characterization of a family of so-called proportional solutions is given with the aid of three axioms: (partial) superadditivity, homogeneity, and weak Pareto optimality. Requiring, besides individual rationality and Pareto continuity, the axioms of restricted additivity, scale transformation invariance, and Pareto optimality, yields an alternative characterization of a family of solutions consisting of all nonsymmetric extensions of Nash's solution. Also these solutions exhibit a (limited) proportionality property. Further, the relation with the Super-Additive solution of Perles and Maschler is discussed, and also the link with Myerson's results on proportional and utilitarian solutions.

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