Due at Tuesday December 14, 2003, 17h00
5 bonus points
Solutions may be handed to me during the presentations on December 14, or you may email an ASCII text, html, or postscipt/pdf-formatted document.
In class, we have seen that the "plurality-with-instant-runoff" (also referred to as "plurality-with-elimination") social welfare function (also referred to as "group consensus function") violates Arrow's axiom of monotonicity. Give a group's profile for which plurality-with-instant-runoff violates Arrow's axiom of independence of irrelevant alternatives.