Section 1.5 Weighted Voting and Voting Power
Lesson Objective:
Banzhaf Power Index |
Pay Attention To The Following:
Coalitions!! How are coalitions used to meet a quota?
Write down how the coalitions is formed to meet the quota. Also write down what is means to be a blocking coalition and how to find out what happens if a vote is removed. |
Shapley-Shubik Power Index |
Watch for how the votes are assigned a letter and this is used to find the winning coalition. Why do you need to use a permutation of the letters? How do you obtain a winning coalition? To the pivotal voter to find a winning coalition. The power index if formed by the pivotal votes. This is shown in the table and then taken as a ratio. |