If you want to increase the absolute accuracy of the outputs of the prediction markets, try (if you can) to increase the quality of the inputs.

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Wanna better political prediction markets? Ask Gallup to generate better polls &#8212-because that&#8217-s what traders eat for breakfast.

I have been telling that to Barry Ritholtz &#8212-but he stays on his position.

Thanks to Barry for listening.

Let&#8217-s move on to another polemique.

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