On Jan 22, 2010, at 5:32 AM, Kathy Dopp wrote: > On Fri, Jan 22, 2010 at 12:55 AM, Jonathan Lundell <[email protected]> wrote: >> >> Arrow never used, never mind defined, the word "spoiler". >> > > > That is true. Back in Arrow's day,
"Back in Arrow's day"? Like, um, today? > the word spoiler was not used, but > Arrow exactly and broadly describes the spoiler condition as one of > his fairness criteria. Arrow defines IIA precisely. "Spoiler", on the other hand, is a word in casual English defined, as are most such words, by its usage, which is generally a candidate with little or no chance of winning who affects the outcome negatively relative to their supporters' preferences--a restricted, somewhat fuzzy, subset of IIA violations. > Study this to understand and was easy to find > using google on "Arrow's Fairness Criteria" > > http://www.ctl.ua.edu/math103/Voting/whatdowe.htm#The%20Independence%20of%20Irrelevant%20Alternatives%20Criterion > > This reminds me of one of the plethora of other deliberately > misleading claims of Fairytale Vote Stop. You're killing me. > , they constantly cite Arrow's > theorem as if that is a logical reason to support IRV when IRV fails > more of Arrow's Fairness criteria than even plurality voting does > because IRV fails the nonmonotoncity criteria in addition to the > spoiler criteria described above which both IRV and plurality fail. > > Fairytale Vote might be able to fool some of the people all the time, > but cannot fool all of the people all of the time like it would like > to. Fairytale Vote redefines the spoiler condition to be only > spoilers (nonwinning candidates whose presence in the election change > who would otherwise win) who have small support among voters -- > another very clever trick on their part to mislead the public into > thinking that IRV is an improvement over plurality, even though it is > much much worse and deprives voters of fundamental fairness and voting > rights and eviscerates the ability of the public to oversee the > integrity and accuracy of election outcomes. ---- Election-Methods mailing list - see http://electorama.com/em for list info
