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Social choice without the Pareto principle under weak independence

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  • Ceyhun Coban
  • M. Sanver

Abstract

We show that the class of social welfare functions that satisfy a weak independence condition identified by Campbell (J Econ 12:259–272, 1976 ) and Baigent (J Econ 47(4):407–411, 1987 ) is fairly rich and freed of a power concentration on a single individual. This positive result prevails when a weak Pareto condition is imposed. Moreover, under weak independence, an impossibility of the Wilson (J Econ 5:478–486, 1972 ) type vanishes. Copyright Springer-Verlag Berlin Heidelberg 2014

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  • Ceyhun Coban & M. Sanver, 2014. "Social choice without the Pareto principle under weak independence," Social Choice and Welfare, Springer;The Society for Social Choice and Welfare, vol. 43(4), pages 953-961, December.
    • Handle: RePEc:spr:sochwe:v:43:y:2014:i:4:p:953-961
    DOI: 10.1007/s00355-014-0812-0
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    Cited by:

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    2. Cato, Susumu, 2015. "Weak independent decisiveness and the existence of a unique vetoer," Economics Letters, Elsevier, vol. 131(C), pages 59-61.
    3. Susumu Cato, 2016. "Weak independence and the Pareto principle," Social Choice and Welfare, Springer;The Society for Social Choice and Welfare, vol. 47(2), pages 295-314, August.

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