Tag: information market

20 Feb 2008

Prediction Markets in Scientific American via Hanson

Ok, they get PAM wrong and that is disappointing, to say the least. However, I have to agree with the substance of some of the criticism of Hanson, though NOT the claims of hyperbole (again, SA are ad hominem attacks really necessary. Let your arguments speak for themselves please).
First, some criticism against SA. The idea [...]

04 Jan 2008

Finally, Some Sanity On Prediction Markets

Maybe they are good at picking out the available information. If there is enough trading. Or not. Also, maybe they are not so good at optimizing the available information:

Are Political Markets Really Superior to Polls as Election Predictors?
Here’s an article by Bob Erikson and Chris Wlezien on why the political markets have been inferior to [...]