Tag Archives: Mechanism Designs

David Pennock on Predictalot — [LINK]

… in Freakonomics.

Posted in Analysis (Accuracy & Precision), Analysis (Meta), Collective Forecasting, Collective Intelligence - Wisdom Of Crowds, Exchange & Market Designs, Exchange Genesis, Exchanges & Markets, Mechanism Designs | Tagged , , , , , , , , , , , | Leave a comment

CrowdCast = market mechanism = binary spreads with a market maker

Leslie Fine (CrowdCast Chief Scientist) to me: Actually, our mechanism is a market, it’s just not a stock market. We use an automated market maker to efficiently price every bet, adjust crowd beliefs, and price an interim sell. In essence, … Continue reading

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CrowdCast = Collective Forecasting = Collective Intelligence That Predicts

The fine people at CrowdCast (Mat Fogarty and Leslie Fine) are finally out today with their brand-new, no-trading, collective forecasting mechanism. The purpose is to aggregate information across one organization so as to generate the most objective business forecasts. The … Continue reading

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Why CrowdCast ditched Robin Hanson’s MSR as the engine of its IAM software

- Leslie Fine of CrowdCast: Chris, As Emile points out, in 2003 I started experimenting with (and empirically validating) alternatives to the traditional stock-market metaphor that will be more viable in corporate settings. We found the level of confusion and … Continue reading

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Smarter exchange mechanisms

The Pennock interpretation.

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CDA, MSR, the automated market makers, and the human market makers

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Nigel Eccles (the CEO of HubDub) and Robin Hanson (the inventor of MSR) have some explaining to make about the extreme zigzagging of the Barack Obama event derivative (in blue on this static compound chart). Look at the right end of the chart.

- UPDATE: Nigel Eccles: There was a bug in that chart which is now fixed. However the excess volatility is still there. The problem is that our early markets were created with a liquidity parameter which was too low. That … Continue reading

Posted in All Best Posts Ever, Analysis (Data), Analysis (Meta), Exchange & Market Designs, Exchanges & Markets, Market Makers (Automated), Market Makers (Human), Market Prices & Probabilities, Mechanism Designs, Software | Tagged , , , , , , , , , , , , | 15 Comments

BetFair traders are getting ready for the BOOM.

BetFair: [...] we’ll be enabling the new matching process on soccer match odds markets, tennis match odds markets and greyhound win markets taking place on the UK exchange shortly. – Previously: BetFair’s new bet-matching logic…. (endorsed by Giberson International Incorporated). … Continue reading

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How BetFair stole Bastille Day from the French —and how Ed Murray became BetFair’s best friend (NOT A HOAX).

- Michael Giberson (professor of economics and chairman of our scientific advisory board): Actually, I would expect the change to improve liquidity, but the real surprise for Ed Murray is that other than his liquidity argument, I pretty much agree … Continue reading

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In a blow to the French, BetFair choose Bastille Day to premiere the revised version of the bet-matching logic of their prediction markets. — IMPROVEMENT MEANS BETTER LIQUIDITY FOR THEIR EVENT DERIVATIVE TRADERS.

- BetFair: Improvements to Betfair’s bet matching logic today, Monday 14th July: What’s changing? We’ve improved the code that matches bets. As well as matching backs against lays as we’ve always done, we’ll also try to match your bet against … Continue reading

Posted in All Best Posts Ever, Exchange & Market Designs, Exchanges & Markets, Explainers, Market Liquidity, Mechanism Designs | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , | 3 Comments