Comments on: AM. Arrow's Theorem http://mathfactor.uark.edu/2006/04/arrows-theorem/ The Math Factor Podcast Site Fri, 08 Aug 2014 12:52:06 +0000 hourly 1 https://wordpress.org/?v=4.9.25 By: strauss http://mathfactor.uark.edu/2006/04/arrows-theorem/comment-page-1/#comment-18 Fri, 16 Mar 2007 18:10:43 +0000 http://theserver.uark.edu/~strauss/?p=39#comment-18 I have to share a story about this; about six months before we aired this segment on the radio, I attended a City of Fayetteville meeting, at which about thirty of my neighbors were discussing various plans for rerouting a street that runs near my house. There were three plans on the table.

Someone sensibly suggested we should take a straw poll, to see how people stood on the matter; but then things went bad: the discussion began to turn on how to count the results. Should the winning plan be the one favored as #1 by the most people?

Should the winning plan be the one not ranked #3? Should we have a run-off between the plans getting the most #1 votes? Etc.

After about twenty minutes of this, I had a chance to speak. Tempers were running high. I foolishly began “I’m a mathematician and Arrow’s theorem says…” I was hooted down before I got any further.

Apparently, no one was in the mood to hear what Arrow’s Theorem said!

Debate went on, and who knows what scheme was finally chosen for the poll. My opponents’ proposal, though, was the winning plan for the street. In the end it was all irrelevant— all the proposals were too expensive.

But the Math Factor airs weekly on a popular local radio show; I hoped that some of my neighbors heard this segment and wished they’d let the mathematician speak!

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