Prediction Markets + Market Predictions = Collective Forecasting That Pays Off

Author Archives: Michael Giberson

“Wisdom of crowds” in popular culture, again

“The wisdom of crowds” has apparently seeped a bit into popular culture, or at least the geekier end of it.
On the heels of British illusionist Derren Brown’s invoking of “the wisdom of crowds” as a (false) part of his explanation of how he appeared to predict winning lottery numbers, last night a character in the [...]

Can a Keynesian beauty contest improve Pres. Obama’s suggestion box for U.S government employees?

President Barack Obama has created the “SAVE Award,” a process by which U.S. government employees can submit ideas for “how their agency can save money and perform better.” A committee of senior officials from the Office of Management and Budget at the White House will review the submissions and submit a short list to the [...]

Can prediction markets help improve economic forecasts?

Contrary to the suggestion of Hendry and Reade, I don’t think “model averaging” is a useful explanation of what prediction markets do.

What’s the big deal about the fluff on prediction markets in The Economist?

Chris Masse has posted several times about the recent piece on prediction markets in The Economist. Among his recent grand pronoucements:
“If you are a prediction market consultant, and have nothing to say about the negative piece from The Economist, then you don’t matter anymore.”
Really?
What is it that The Economist said that prediction market consultants should [...]

Where is the post-election academic conference on prediction market performance?

Giberson asks, “Where is the 2008 post-election academic conference on prediction market performance going to be?”

Quit mulling over the VP-choice prediction markets, today’s real story is in the election winner markets.

I would suggest that the VP selections and the performance of the VP-choice markets at InTrade and elsewhere lend some validity to Chris Masse’s views on such markets. But enough about the VP markets, already. The interesting developments are in the election-winner markets.

Since just after 2 PM Irish time, when the NEW.REP.VP.PALIN contract [...]

What public interests are served by event contracts?

Comments continue to trickle in at the U.S. CFTC, in response to the agencies request for comments on its “concept paper on event contracts.” You can find the comments posted so far, all seven of them, on the CFTC’s website. Likely many more comments will be filed around the July 7 deadline, and [...]

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 [...]

The CFTC takes a necessary step toward sorting out its role with respect to prediction markets.

As noted here in multiple posts over the past few days, the U.S. Commodity Futures Trading Commission is thinking about prediction markets. Last week it released a “Concept Release on the Appropriate Regulatory Treatment of Event Contracts” and invited public comments on several questions as it attempts to sort out its proper role, if any, [...]

Who would you back, the market consensus or a book-writing pundit?

Tyler Cowen picks the market consensus over book-writing pundits:
Either the current market estimate of inflation is the best estimate available, or you know that it is wrong and you will be a very rich man. I find the former scenario more plausible.
Cowen is commenting on the Kevin Phillips book, Bad Money, recently out.
Of course book [...]

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