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IIA (other)
IIA or Iia may refer to: *Independence of irrelevant alternatives *Indian Institute of Architects *Indian Institute of Astrophysics *Indianapolis International Airport *Institute of Internal Auditors *Information Industry Association *International Investment Agreement *Islamabad International Airport *IIa or II-a, a subtype of Type II supernova *A rating in the Hong Kong motion picture rating system#Rating system, Hong Kong motion picture rating system *Iia, Estonia, village in Estonia See also *2A (other), including a list of topics named II-A, etc. {{disambiguation sv:IIA ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Independence Of Irrelevant Alternatives
The independence of irrelevant alternatives (IIA), also known as binary independence or the independence axiom, is an axiom of decision theory and various social sciences. The term is used in different connotation in several contexts. Although it always attempts to provide an account of rational individual behavior or aggregation of individual preferences, the exact formulation differs widely in both language and exact content. Perhaps the easiest way to understand the axiom is how it pertains to casting a ballot. There the axiom says that if Charlie (the irrelevant alternative) enters a race between Alice and Bob, with Alice (leader) liked better than Bob (runner-up), then the individual voter who likes Charlie less than Alice will not switch his vote from Alice to Bob. Because of this, a violation of IIA is commonly referred to as the "spoiler effect": support for Charlie "spoils" the election for Alice, while it "logically" should not have. After all, Alice ''was'' liked better t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |