Economists Want Legal Protection For Prediction Markets
from the going-legit dept
There continues to be a lot of interest in prediction markets as a way to tap the wisdom of crowds, but for the most part, much of the interest in them is academic, as there's been a lack of practical examples of their use. One of the big problems is that in the US it's legally difficult to set up a real-money exchange, and so much of what we have is based on play money, which doesn't make much sense for something that's supposed to be a market. The culprit is the government's attitude towards online gambling, as these sites are treated just like poker sites are. So a group of economists (including Nobel-laureates Kenneth Arrow and Thomas Schelling) has penned an open letter to US regulators encouraging them to lower the barriers to entry to create such an exchange. Currently, one possible way to legally open such a site is to get a special exemption from the Commodity Futures Trading Commission (CFTC), but it's rather difficult, so economists are pushing to get the CFTC more leeway in the approval process. It's likely, however, that the request will fall on deaf ears, since this issue probably isn't much of a priority to many politicians. That's unfortunate, because until these markets are more widespread, we won't know useful they could be for business. In the meantime, it's as though wikis were illegal, and academics were forced to discuss whether collaborative, web documents might theoretically have some value. Of course, this is far from the only instance of anti-gambling laws having a perverse, unwanted effect.
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Free Markets, Unstable Markets
Didn't the US military try something like this a little while back? Trying to set up a market for trading in terrorism futures, or something like that. Luckily the idea didn't get far.
Besides, free markets are prone to boom-bust cycles. What exactly would be the predictive value in that?
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Second Life
http://facstaff.elon.edu/mconklin/pubs/glshandout.pdf
It maybe naive of me but why can't this be applied?
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Prediction markets are basically gambling, but then again, so is the Stock Market.
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Re: Second Life
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Or....
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Re: Free Markets, Unstable Markets
The Iowa Electonics Market was set up to get a sense of how elections will turn out based on who is willing to buy a stake in the outcome. The stakes are very small; this is not about making money but about developing a sense of the outcome of a given election. Only certain people can actually buy futures and the limit is $1-$500. The Iowa market has been extemely close to the actual results of various elections. Wikipedia has a good summary of the IEM:
http://en.wikipedia.org/wiki/Iowa_Electronic_Markets
Here is a graph of the market for the Bush-Kerry election:
http://128.255.244.60/graphs/graph_Pres04_WTA.cfm
See also this entry:
http://en.wikipedia.org/wiki/The_Wisdom_of_Crowds
The idea for the DOD market was to deploy a similar site for predicting acts of terrorism by allowing people from around the world to participate. The thinking is that people hear things; they read local newspapers; they know people who move in other circles; they develop a sense that something is going on.
In typical fashion, Congress not only did not understand the principle, they did not understand the potential value of gathering input from the public. They saw it only as a gambling enterprise without looking at the potential for analyzing data as part of a pattern recognition program. Which is, in the end, all that the IEM is doing.
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IP in Statistics?
Sorry, I find that a little difficult to swallow.
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Policy Analysis Markets
Also see http://www.midasoracle.org/2007/05/07/economists-petition-on-prediction-markets/ for ongoing coverage of the petition.
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Re:
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Futures
Someone with a high (or low) income should be able to hedge by buying and selling futures contract on who will control Congress in, for example, 2010. A doctor might want to hedge health care reform. Oil companies might want to hedge environmental legislation. Iranians might want to hedge the risk of an invasion.
Lots of people would have some form of interest in hedging sovereign risk. The advocates should just go and bite the bullet and get a listing.
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