Tag Archives: manipulations

To get news on the E-cat, come here on Midas Oracle. To get news on CFTC rulings, go to Knowledge Problem. — [IRONY]

It should be the other way around, but those are not normal times.

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Prof Michael Giberson still into prediction market manipulation

I am personally fed up with this theme, but our good friend Mike Giberson has some inklings. See also Paul Hewitt’s comment.

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The Commodity Futures Trading Commission and Securities and Exchange Commission will have authority to decide what derivatives must be centrally cleared rather than letting private parties make the call.

“Central clearing interposes a regulated clearinghouse between the original counterparties in a derivatives transaction and so creates an opportunity to make dealing more transparent.” CNBC video

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Feedback trading in prediction markets

Robin Hanson is schooled about prediction market trading. Our guest author to our Master Of All Universes: Feedback trading just means the kind of momentum trading that is pervasive in traditional assets, again, less so in prediction markets. In the … Continue reading

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The Robin Hanson manipulation papers make unrealistic assumptions, but it’s not like prediction markets are a bad idea…!!…

In terms of unrealistic assumptions in Robin Hanson’s series of papers on manipulation, the major ones have been out there since at least 2004. Despite some limited evidence, the insistence on traders needing to know the direction of manipulation isn’t … Continue reading

Posted in All Best Posts Ever, All Guest Authors's Posts, Analysis (Accuracy & Precision), Analysis (Meta), Collective Forecasting, Exchange & Market Designs, Exchange Liquidity, Exchanges & Markets, Market Prices & Probabilities | Tagged , , , , , , , , , , | 2 Comments

Paul Hewitt doubts.

Paul Hewitt: Finally, we need to know if this was only possible, because it was a fairly simple experimental model. Will the same decision-maker’s ability exist in extremely complex public policy markets?

Posted in Analysis (Accuracy & Precision), Analysis (Meta), Collective Forecasting, Exchanges & Markets, Market Prices & Probabilities | Tagged , , , , | 1 Comment

Could think tanks impact the socially valuable prediction markets?

- Matt Yglasias on the possibility of manipulations. – Robin Hanson rebuts scientifically.

Posted in Analysis (Market Proposals), Analysis (Meta), Collective Forecasting, Exchanges & Markets | Tagged , , , , , | 2 Comments

BetFair – Live Chat Session – Tuesday, January 27th, 2009

BetFair – Live Chat Session – Tuesday, January 27th, 2009 – [This link is only available to the BetFair registered users, alas. In the future, BetFair should make the transcripts of all chat sessions available to the public at large, … Continue reading

Posted in Analysis (Industry), Betting, Ethics, Exchange & Market Management, Exchanges & Markets, Explainers, Market Makers (Human), Market Transaction Costs, Regulations | Tagged , , , , , , , , , , , , , , , , , , , , , | 1 Comment

Freakonomics is the latest in a long series of (usually, serious) bloggers who have misinformed the public by stating that the institutional investor is manipulating the US political election prediction markets.

The anonymous blogger (probably the editor, Annika Mengisen) titles the post, “A New Kind of Campaign Advertising?”, and asks: Will market manipulation for political candidates become the norm as ever-wealthier campaigns try to control the news cycle? No…!!!… John Delaney … Continue reading

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The New York Times on InTrade’s US political election prediction markets

The NYT writers discusses 2 (different?) issues. – #1. There was market arbitrage opportunies in the recent past between InTrade and BetFair —unlike 4 years ago, and contrary to the laws of economics. – The price of the Barack Obama … Continue reading

Posted in All Best Posts Ever, Analysis (Data), Exchanges & Markets, Finance, Market Liquidity, Market Prices & Probabilities, Market Trading | Tagged , , , , , , , , , , , , , , , , , , , , , | 1 Comment