Prediction Markets + Market Predictions = Collective Forecasting That Pays Off

Tag Archives: Robert Hahn

Prediction markets didn’t “revolutionize” decision-making —and will never do. However, they are a nice condiment to the classic forecasting toolkit.

I have spent several hours re-reading the 2004 AEI-Brookings book, “Information Markets” (by which they mean “prediction markets”). It is a collection of un-enlightening research articles —except for the IEM article, which is outstanding, both on the factual and theoretical sides.
In the conclusion of their introduction, Robert Hahn and Paul Tetlock wrote that they want [...]

My response to the CFTC on event contracts

Here is my response to the CFTC’s “Concept Release on the Appropriate Regulatory Treatment of Event Contracts.” I appreciate this opportunity to help in working towards regulated prediction markets in the US, and I thank the Commissioners for it.
Given the political implications of the rise in commodity prices, this is not the best environment in [...]

The American Enterprise Institute’s proposals to legalize real-money prediction markets in the United States of America

The Promise of Prediction Markets – by Kenneth J. Arrow, Robert Forsythe, Michael Gorham, Robert Hahn, Robin Hanson, John O. Ledyard, Saul Levmore, Robert Litan, Paul Milgrom, Forrest D. Nelson, George R. Neumann, Marco Ottaviani, Thomas C. Schelling, Robert J. Shiller, Vernon L. Smith, Erik Snowberg, Cass R. Sunstein, Paul C. Tetlock, Philip E. Tetlock, [...]

Where to find advice on how to set up your enterprise prediction markets

Consultants
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Inkling – URL: Inkling Markets – (Chicago, Illinois, U.S.A.)

Adam Siegel — Post Archives at Midas Oracle
Nathan Kontny

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NewsFutures – (Maryland, U.S.A. & Paris, France, E.U.)

Emile Servan-Schreiber — Post Archives at Midas Oracle
Maurice Balick

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Xpree – (U.S.A.)

Mat Fogarty — Post Archives at Midas Oracle

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HP Services – HP Labs – (U.S.A.)

Predicting the future –with games — Introductory article
Information Dynamics [...]

The CFTC safe-harbor option for event markets

The recommendation for safe-harbor of a group of influential economists to the CFTC aims squarely at the 4(c)3(K)* clause of the Commodity Exchange Act. The CFTC may approve a public interest exemption under 4(c) provided that the affected contracts are traded only between “appropriate persons”. 4(c)3(k) is the only qualification that would accommodate “retail” [...]

A historical Robin Hanson fanboy can’t believe his hero signed Bob’s ill-informed and unwise petition.

Hal Finney:
My concern is that the small stakes limit of $2,000, the limits on who can operate markets, and the limitations on the scope of markets, will lead to spotty coverage which will preclude a robust evaluation of the merits of prediction markets in general. After all, we have intrade.com already which provides spotty coverage [...]

STEVE LEVITT’S FREAKONOMICS HIJACKED BY HACKER — FAMOUS ECONOMICS BLOG TEMPORARILY DEFACED — ANTI-SPORTS BETTING BILE VOICED

Freakonomics, the famous blog on economics, is powered by WordPress, which is known [*] to have grave security vulnerabilities. Yesterday, a dangerous hacker managed to get access to their blogging software, and published an opinion on the regulation of prediction markets, which represents the total opposite of what Steve Levitt believes in. No doubt the [...]

Is the promise of prediction markets in the United States best explored in limited, small stakes markets under a CFTC safe harbor declaration?

I haven’t turned up the latest edition of Science magazine mentioned yesterday by Chris F. Masse, but a version of the Science article “The Promise of Prediction Markets“, is available from the AEI Center for Regulatory and Market Studies (find link to article on this page).
The first thing of note is that the extensive list [...]

Bob Hahn turns the PETITION into a CONSENSUS.

Bob Hahn turns lead into gold.

Via Google’s Bo Cowgill, Robert Hahn and Paul Tetlock’s Op-Ed in the Wall Street Journal (mirror at AEI-Brookings – mirror at AEI):
[...] These markets often predict more accurately than experts. Why? They draw on the knowledge of people who might otherwise be ignored. Their anonymity frees participants from pressures to [...]

Economists’ Petition on Prediction Markets

Statement on Prediction Markets – (Click here to read the abstract and download the petition from the SSRN site) – by Kenneth J. Arrow, Robert Forsythe, Michael Gorham, Robert Hahn, Robin Hanson, Daniel Kahneman, John O. Ledyard, Saul Levmore, Robert Litan, Paul Milgrom, Forrest D. Nelson, George R. Neumann, Charles R. Plott, Thomas C. Schelling, [...]

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