Tag Archives: Prediction Post-Mortem

InTrade’s prediction markets on secretive events are just an Irish scam. — [ANALYSIS]

Paul Hewitt: How do we know the Intrade price was not accurate? Well, the raid wasn’t just executed on a whim. It had been planned for quite some time. Therefore, the true likelihood must have been much higher than the … Continue reading

Posted in All Best Posts Ever, Analysis (Accuracy & Precision), Analysis (Meta), Exchanges & Markets, Forecasting (Science & Practice), Market Expiry, Market Liquidity, Market Prices & Probabilities, Prediction Post-Mortem | Tagged , , , , , , , , , , , , , , , | Leave a comment

InTrade on the elimination of Osama Bin Laden — [ANALYSIS]

Mike Giberson: How do we know, now, that Intrade’s market price was not an accurate estimate of the probability bin Laden was killed or captured by September 2011? Is an prior estimate of 50 percent likelihood that a tossed coin … Continue reading

Posted in All Best Posts Ever, Analysis (Accuracy & Precision), Analysis (Meta), Exchanges & Markets, Market Expiry, Market Prices & Probabilities, Prediction Post-Mortem | Tagged , , , , , , , , , , , , , , , , , | 1 Comment

InTrade was not able to predict the elimination of Osama Bin Laden. — [PREDICTION POST-MORTEM]

I already blogged about the big fail of the prediction markets. Here’s more from the NYT, Eddy Elfenbein, and Barry Ritholtz.

Posted in All Best Posts Ever, Analysis (Accuracy & Precision), Analysis (Meta), Exchanges & Markets, Forecasting (Science & Practice), Market Expiry, Market Liquidity, Market Prices & Probabilities, Prediction Post-Mortem | Tagged , , , , , , , , , , , , , , | 4 Comments

Why you should never trust John Battelle’s opinion on tech — [PREDICTION POST-MORTEM]

- John Battelle pumped up “Color” at inception, and now we have confirmation that it is a lemon. – John Battelle badmouthed the iPad at inception, and now we know that it is revolutionizing computing.

Posted in Analysis (Accuracy & Precision), Inventions & Innovations, Prediction Post-Mortem | Tagged , , , , , , , , , | Leave a comment

Economists who had a better record at calling extreme events had a worse record in general.

“The analyst with the largest number as well as the highest proportion of accurate and extreme forecasts had, by far, the worst forecasting record.“

Posted in Analysis (Accuracy & Precision), Economics, Forecasting (Science & Practice), Prediction Post-Mortem | Tagged , , , , , , , , , , , , , | Leave a comment

Ray Kurzweil (Robin Hanson’s guru) got his 1999-2009 predictions … all wrong.

- Michael Anissimov: Kurzweil’s Failed 2009 Predictions – More at the Next Big Future — (an excellent blog) UPDATE

Posted in Analysis (Accuracy & Precision), Inventions & Innovations | Tagged , , , , , | 2 Comments

Accuracy of millenium predictions

Millennium Predictions That Got Things Right – and Those That Didn’t.

Posted in Analysis (Accuracy & Precision), Prediction Post-Mortem | Tagged , , | Leave a comment

2009 New Jersey Gubernatorial Race: Was Nate Silver’s prediction more accurate than InTrade’s?

Nate Silver‘s prediction (November 2, 2009): “I’d make Christie about the 4:3 favorite.” [ UPDATE: Nate Silver's prediction post-mortem on the 2009 US elections.] You can see that days before Elections 2009, InTrade was too heavy on Corzine:

Posted in Analysis (Accuracy & Precision), Exchanges & Markets, Market Expiry, Market Liquidity, Market Prices & Probabilities, Politics, Prediction Post-Mortem | Tagged , , , , , , , , , , , , , | Leave a comment

Nobel Prize for Economics 2009 — Prediction Accuracy

The Royal Swedish Academy of Sciences has decided to award The Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel for 2009 to Elinor Ostrom “for her analysis of economic governance, especially the commons” and Oliver E. Williamson … Continue reading

Posted in Analysis (Accuracy & Precision), Exchanges & Markets, Market Expiry, Market Prices & Probabilities | Tagged , , , , , , , , , , , , , , , , , | 18 Comments