Exam 4 - April 15th

Exam 4 - April 15th - people to have equal say How to...

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April 15 th Voter turnout in Presidential Elections Gap has been narrowing, more youth (especially college students) have been voting, especially for Obama’s election. Younger people have less information about politics, and seem to care less. So lower rates. Younger people also tend to have different views on positions. They tend to have lower levels of identification with either party. Believe more in government should reduce income inequality, spend more in education, and spend less on military, and be slightly more liberal than conservative. Young Americans differ systematically compared to older voters, and if they don’t vote, different views are represented in elections. Younger voters tend to vote for 3 rd parties. Almost 5% of younger voters chose Ralph Nader. Young voters are more democratic/liberal. Social Choice Theory Organization and voting rules will affect policy outputs (includes electoral rules). So, we would like to craft rules that will generate sensible policies. Want policy to be moderate. Want all
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Unformatted text preview: people to have equal say. How to design a voting rule to select candidates or policy proposals? A voting rule will take every person’s ranking of all alternatives & combine them into one societal ranking. Want this system to satisfy some set of “sensible” criteria. Arrow’s Theorem Universality: The voting rule must provide a complete ranking of all options given voters’ preferences Unanimity If every voter prefers A to B, then the voting rule should rank A above B Transitivity If A>B, and B>C, then A>C Independence of Irrelevant Alternatives If the voting rule ranks A above B, then changes in individuals’ rankings that do not affect the relative rankings of A and B should not affect the voting rule’s ranking of A above B Non-Dictatorship The voting rule should not just take one person’s preferences as the societal ranking...
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Exam 4 - April 15th - people to have equal say How to...

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