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- urgent 1.15. Consider the Supreme Court as an electorate of 9 members thatvotes yes-or-no on a variety of issues. It is customary for this electorateto use the simple majority method, and since 9 is an odd number, no tiescan result when no justices are absent. Imagine the following alternativemethod for determining Supreme Court decisions. The decision is affirmative whenever at least 3 of the first 5 justices vote to affirm. Otherwisethe decision is negative. This is just the bloc voting method, where thejustices form blocs of size 5, 1, 1, 1, and 1. (This method emulates whatwould occur if the first 5 justices were to agree to always vote as a blocand to decide among themselves how the bloc should rule.)(a) Is this method anonymous?(b) Is this method neutral?(c) Is this method monotone?(d) If you were one of the 4 justices not among the first 5, why wouldyou complain about this voting method?2.9. The following informal descriptions of voting methods do not represent social choice functions as we have defined them. Explain why not.(a) (Mini-quota) Any candidate with at least 25% of the votes is declareda winner.(b) (Approval voting) Every voter answers a yes-or-no question abouteach candidate: “Is she acceptable?” Whichever candidate is acceptable to the most voters is declared the winner.(c) (Copeland without ties) The winners of the Copeland method become our finalists. If there is more than one finalist, the tie is resolvedby drawing straws.(d) (Condorcet candidate) Pick the candidate who defeats each of theother candidates in a head-to-head election1.14. Consider a variation on the idea of a weighted voting system, inwhich one or more voters is given a negative weight. Show that sucha system is not monotone. If a voter knows that the method assigns anegative weight to her vote, how will she be inclined to cast her ballot?
- 4.1. The vote-for-two method works as follows: Candidates get apoint whenever a voter ranks them first or second. The candidate withthe most points is declared to be the winner (or if several candidates tiefor the most points, they are all declared to be winners).(a) Does the vote-for-two method satisfy the Condorcet criterion?(b) Does the vote-for-two method satisfy the anti-Condorcet criterion?(c) Does the vote-for-two method satisfy the Pareto property?(d) Is the vote-for-two method independent?Please no written by hand "No voting system is perfect." What does it mean by economist K. Arrow? Give a brief account on Condorcet Voting Paradox. A public school district is voting on the school budget and the resulting student-teacher ratio. A poll finds that 20 percent of the voters want a ratio of 9:1, 25 percent want a ratio of 10:1, 15 percent want a ratio of 11:1, and 40 percent want a ratio of 12:1. What outcome would you expect the district toSuppose there is an election for Soft Drink Commissioner. The field consists of one candidate hunt the Pepsi petty and four from the Coca-Cola party. This would seem to indicate a strong preference for Coca-Cola among the voting population, but the Pepsi candidate ends up winning in a landslide. Why does this happen?
- Answer to Part BAssume there are three voters: A, B and C. Voter preferences can be ranked along a left-to-right spectrum that ranges from 1-9; 1 being the most left leaning preference and 9 being the most right leaning preference. Suppose these voters will choose between candidates Smith and Jonesin an upcoming election.Assuming the following voter preferences:Voter ID Preference (1-9)A 4B 5C 6B. Suppose the electorate becomes more polarized; A moves from 4 to 1 while C moves from 6 to 9. B remains at 5. How does the median voter model predict candidates Smith and Jones will change their preference?4.12. A social choice function satisfies the bottom criterion if, whenever a candidate is not at the bottom of the preference list of any voter,that candidate is a winner.(a) Does the plurality method satisfy the bottom criterion?(b) Does the antiplurality method satisfy the bottom criterion?(c) Explain why it is impossible for a social choice function with three ormore candidates to satisfy both the bottom criterion and the Paretocriterion.Answer to Part AAssume there are three voters: A, B and C. Voter preferences can be ranked along a left-to-right spectrum that ranges from 1-9; 1 being the most left leaning preference and 9 being the most right leaning preference. Suppose these voters will choose between candidates Smith and Jonesin an upcoming election.Assuming the following voter preferences:Voter ID Preference (1-9)A 4B 5C 6A. True/False Explain: If the median voter theorem holds, candidates Smithand Jones will either both adopt preference 5 OR one will adopt preference 4 while the other adopts preference 6.
- Answers to all 4 partsAssume there are three voters: A, B and C. Voter preferences can be ranked along a left-to-rightspectrum that ranges from 1-9; 1 being the most left leaning preference and 9 being the mostright leaning preference. Suppose these voters will choose between candidates Smith and Jonesin an upcoming election.Assuming the following voter preferences:Voter ID Preference (1-9)A 4B 5C 6A. True/False Explain: If the median voter theorem holds, candidates Smith and Jones willeither both adopt preference 5 OR one will adopt preference 4 while the other adoptspreference 6.B. Suppose the electorate becomes more polarized; A moves from 4 to 1 while C moves from 6to 9. B remains at 5. How does the median voter model predict candidates Smith and Joneswill change their preference?C. Keeping the assumptions from…1.17. Jones and Smith are running for public office. There are 99 voters.(a) Suppose the rules say that Jones wins if she receives 50 or morevotes; otherwise Smith wins. Is this method neutral?(b) Suppose the rules say that a candidate wins if he or she receivesa number of votes that is between 60 and 89. (If neither candidategets a winning number of votes, then the election is a tie.) Is thismethod monotone?(c) Suppose the rules say that a candidate wins if he or she receives anodd number of votes. (If neither candidate gets a winning numberof votes, then the election is a tie.) Is this method decisive?(d) Suppose that the rules say that Smith wins the election no matterwhat. Is this method anonymous?Assume there are three voters: A, B and C. Voter preferences can be ranked along a left-to-right spectrum that ranges from 1-9; 1 being the most left leaning preference and 9 being the most right leaning preference. Suppose these voters will choose between candidates Smith and Jones in an upcoming election. Assuming the following voter preferences: True/False Explain: If the median voter theorem holds, candidates Smith and Jones will either both adopt preference 5 OR one will adopt preference 4 while the other adopts preference 6. B. Suppose the electorate becomes more polarized; A moves from 4 to 1 while C moves from 6 to 9. B remains at 4. How does the median voter model predict candidates Smith and Jones will change their preference? C. Keeping the assumptions from B, how does the election result change if a tax on non-voters doubles the number of voters while preserving the distribution of preferences? D. If the tax in C induces 100% compliance (everyone votes), did this tax…
