Decisions and Elections

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Decisions and Elections

By Donald G. Saari

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It is not uncommon to be frustrated by the outcome of an election or a decision in voting, law, economics, engineering, and other fields. Does this 'bad' result reflect poor data or poorly informed voters? Or does the disturbing conclusion reflect the choice of the decision/election procedure? Nobel Laureate Kenneth Arrow's famed theorem has been interpreted to mean 'no decision procedure is without flaws'. Similarly, Nobel Laureate Amartya Sen dashes hope for individual liberties by showing their incompatibility with societal needs. This highly accessible book offers a new, different interpretation and resolution of Arrow's and Sen's theorems. Using simple mathematics, it shows that these negative conclusions arise because, in each case, some of their assumptions negate other crucial assumptions. Once this is understood, not only do the conclusions become expected, but a wide class of other phenomena can also be anticipated.

Subject: Business & Economics -> Economics -> Principles of Microeconomics

Decisions and Elections
Explaining the Unexpected
1st edition
Publisher: Cambridge University Press 10/22/01
Imprint: Cambridge University Press
Language: English

ISBN 10: 0511891652
ISBN 13: 9780511891656
Print ISBN: 9780521808163

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