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How relevant are ‘Irrelevant’ Alternatives?

✍ Scribed by Jean-Marie Blin

Publisher
Springer US
Year
1976
Tongue
English
Weight
580 KB
Volume
7
Category
Article
ISSN
0040-5833

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✦ Synopsis

HOW RELEVANT ARE 'IRRELEVANT' ALTERNATIVES 9.

ABSTRACT. Arrow's Independence of Irrelevant Alternatives Condition is examined. It is shown why the standard rationale for (or agains0 the condition tends to be inconclusive as it fails to consider the basic 'game' issue in social choice. Specifically it is explained how some recent results (Gibbard-Satterthwaite) on the general nonexistence of strategy-proof voting procedures provide the strongest rationale for the independence condition. Also, it is shown that this rationale was exactly the one used by Condorcet in his work on decision rules for juries and elections.

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