Sandbox

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Revision as of 19:41, 19 August 2009 by Jls (talk | contribs) (→‎Another game)
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Another game

Jeff Norman told us about another interesting game. The game and its history is discussed here

Here the author discribes the game as it was described by

Professional investment may be likened to those newspaper competitions in which the competitors have to pick out the six prettiest faces from a hundred photographs, the price being awarded to the competitor whose choice most nearly corresponds to the average preference of the competitors as a whole; so that each competitor has to pick, not those faces which he himself finds prettiest, but those which he thinks likeliest to catch the fancy of the other competitors, all of whom are looking at the problem from the same point of view. It is not a case of choosing those which, to the best of one’s judgment, are really prettiest, nor even those which average opinion genuinely thinks the prettiest. We have reached the third degree where we devote our intelligences to anticipating what average opinion expects the average opinion to be. And there are some, I believe, who practice the fourth, fifth and higher degrees

This game can be easily replicated by asking people to pick a number between 0 and 100, and telling them the winner will be the person who picks the number closest to two-thirds the average number picked. The chart below shows the results from the largest incidence of the game that I have played - in fact the third largest game ever played, and the only one played purely among professional investors.

http://www.investorsinsight.com/cfs-file.ashx/__key/CommunityServer.Blogs.Components.WeblogFiles/thoughts_5F00_from_5F00_the_5F00_frontline/jm080709image010_5F00_2F080074.jpg