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4th Edition

Richard N. Aufmann + 3 others

Publisher: Cengage Learning

ISBN: 9781305965584

Chapter 4.3, Problem 30ES

Textbook Problem

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UN Security Council The United Nations C’ Security Council consists of 5 permanent members and 10 members who are elected for two-year terms. (See the Math Matters *on* page 210.) The weighted voting system of the Security Council is given by

In this system, each permanent member has *a* voting weight of 7 and each *elected* member has a voting weight of I.

a. Use the program “BPF at the website www.math.tcmpleedul-cowlbpi.html to compute the Banihaf power index distribution for the members 01 the Security Council.

b. According to the Banzhaf power index distribution from part a. each permanent member has about how many times more power than an elected member?

c. Some people think that the voting system used by the United Nations Security Council gives too much power to the permanent members. A weighted voting system that would reduce the power of the permanent members is given by

In this new system. each permanent member has a voting weight of 5 and each elected member has a voting weight of I. Use the program “BPI at www.math.temple.edul-cow!bpi.html to compute the Banzhaf power indices for the members of the Security Council under this voting system.

d. According to the Banzhaf power indices from part c. each permanent member has about how many times more power than an elected member under this new voting system?

To determine

In a weighted voting system, voter

**Given Information:**

Consider four people

**Concept used:**

**Calculation:**

If in a weighted voting system, voter

Hence, yes the Banzhaf index for voter

For example

Consider four people

Therefore,

Winning Coalition | Number of Votes | Critical Voters |

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| | None |

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