VijayKrishnan comments on Fight Zero-Sum Bias - Less Wrong

25 Post author: multifoliaterose 18 July 2010 05:57AM

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Comment author: VijayKrishnan 19 July 2010 12:14:44AM 3 points [-]

The ridiculous amount of activity by the untrained and uninformed on the stock markets seems to suggest that people could use a significantly higher amount of "zero sum" bias there. There are tons of people who would not peg their investment skill in the top 1%, who nonetheless think they have a good chance of making money in short term trades. There certainly seems to be the thinking that the stock market is a source of profits for one and all, regardless of investment skill and understanding.

This bias however is most prevalent in the idea that getting rich cannot possibly be a noble act, a point extensively addressed in Paul Graham's essays.

Comment author: multifoliaterose 19 July 2010 02:06:10AM 3 points [-]

Actually, in regards to your first point, I suspect that people do have an intuitive sense that playing the stock markets is a zero-sum game.

I think that the main reason that people exhibit irrational stock market behavior is overconfidence bias.

Comment author: multifoliaterose 19 July 2010 12:49:06AM 0 points [-]

Great points. I will link this comment in my next post.