Borda Count

1
Borda Count

• A rank method of voting

2
How Borda Count works

• If there are n candidates in an election, the top
  choice on a preference list gets n 1 points,
  second place gets n 2 points,, last place gets
  0 points.
• The points are totaled for each alternative and
  the one with the most points wins.

3
The Infamous Pizza Election!
4
The total for Pepperoni

• The count for Pepperoni is
• 8(3) 5(0) 6(0) 7(0) 24 points.
• Now your group should calculate the total points
  for Ham, Veggie and Sausage.
• Who wins? What are the totals?

5
Group DiscussionExercise 1, Activity 5

• Were you satisfied with the results of the vote?
  If not, why not?
• Explain why you think Borda Count is fair or not
  fair. (Did the group get what they really
  wanted?)
• In what ways does Borda seem better (or worse)
  than Condorcet?

6
A surprising result!

• Borda count may violate majority rule!
• A has a majority, but B wins Borda count by 21
  19 over C, with A getting 18 points and D getting
  8 points.