PSC 101 Study Guide - Final Guide: Veto, Giovanni Da Pian Del Carpine, Social Choice Theory
8 Apr 2014
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Individuals can adopt any rational preference ordering: pareto optimality(or unanimity) : If every member of the group prefers x to y , then the group must prefer. Suppose that x to y stand in some relationship in each members preference ordering if this relationship doesn"t change then the group preference between x and y cannot change: nondictatorship: There is no single group member whose preference determines the group preference: understand arrows theorem, any voting rule that meets four fairness criteria is prone to cycles, understand how arrows theorem relates to plurality rule, plurality rule: Notice that plurality rule violates at least one of arrows fairness conditions: what does arrows theorem tell us about legislative intent, blacks theorem and utility function, two possible approaches to interpreting the law: Ability: the possession of adequate cognitive skills. This influences the extent to which individuals seek out info about politics and how much they pay attention to info that comes their way.
