UK billionaire Andrew Black (the BetFair co-founder) owns and manages a stable of 30+ Thoroughbred horses, but cant stand anymore to hear about the event derivative traders whom he extracted wealth from.

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The Independent

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PREVIOUSLY: BetFair impose new &#8220-Premium Charges&#8221-&#8230- Do BetFair gag the critics, too?

UPDATE: They announce a Q&amp-A.

Multi-millionaire, Republican, professor of economics Greg Mankiw uses Jason Ruspinis tax prediction markets at InTrade to assess the probability that a hypothetical John McCain presidency starting in 2009 assumes a raise in federal taxes.

Via Marginal Revolution

P(tax hike / McCain) = 74%.

APPENDIX: Robin Hanson does not know yet who he is going to vote for, in November 2008&#8230- and feels that no scholar can help him.