Social Choice: The Impossible Dream

Borda count used in various situations

How a Host City of the Olympic Games is elected

more on approval voting

In-class exercise: given the following ballots

3	1	1	1	1	1	1
A	A	B	B	C	C	D
D	B	C	C	B	D	C
B	C	D	A	D	B	B
C	D	A	D	A	A	A

Decide the election result according to each of the following method:

1. plurality voting
2. the Borda count
3. the Hare system
4. sequential pairwise voting with agenda A,B,C,D
5. Condocet's method
6. approval voting, with the following number of approvals: 2,1,3,4,2,0,1, respectively, on the ballots

Homework: Chapter 9 Exercises No. 9, 11, 15, 27, 32