Question 9.29

29. Arrow’s impossibility theorem says that with three or more candidates and any number of voters, there is no voting system that

  1. is not a dictatorship.
  2. satisfies IIA and is not a dictatorship.
  3. satisfies the Pareto condition and IIA, and is not a dictatorship.
  4. always produces a winner, satisfies the Pareto condition and IIA, and is not a dictatorship.

29.

d