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| Antonio Quesada |
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| ''Unconcerned groups and the majority rule'' |
| ( 2011, Vol. 31 No.2 ) |
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| When preferences are defined over two alternatives, the (relative) majority rule is characterized in terms of the four axioms U, P, I, and G. U is unanimity. P is the condition that the union of two unconcerned (that is, indifferent) groups of individuals creates an unconcerned group. I asserts that the preferences of the individuals of an unconcerned group can be cancelled out without altering the result. G states that, for any sufficiently small group G that is not unconcerned and for any group H with the same size as G but without members in common with G, it is possible to make the union of G and H unconcerned. |
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| Keywords: Social welfare function, majority rule, axiomatic characterization, two alternatives, unconcerned group. |
JEL: D7 - Analysis of Collective Decision-Making: General
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| Manuscript Received : Feb 11 2011 | | Manuscript Accepted : Jun 16 2011 |
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