This video explains the strategy used in Arrow's proof, to construct a set of preferences in which one voter is a "dictator". The video does not suffice to fully explain all the steps in the original, rigorous mathematical proof, but it at least should convey the underlying idea: how transitivity, unanimity, and the independence of irrelevant alternatives, combine to yield a very surprising result.
Негізгі бет Social Choice Theory - Arrow's theorem
Пікірлер: 5