I wonder why Intrade is not doing the Nobel Economics contracts this year

Probably too little liquidity. Here is Steve Levitt on what's happening at Pinnacle:

Here are the odds they are offering as of my writing this post:

101 Martin Feldstein +751
102 Thomas Sargent +1181
103 Robert Barro +1341
104 Paul Romer +1344
105 Jagdish Bhagwati +1359
106 Paul Krugman +1617
107 N. Gregory Mankiw +4310
108 Any other person -136

My hunch is that the bargain here is “any other person.” There is plenty of randomness in the choices each year, and this list excludes a number of people who I would think would be on the short list, e.g. Gene Fama, Peter Diamond, Oliver Hart, and Richard Posner, just to name a few.

I can't believe Krugman is pricing over Mankiw. I guess the stock market is not the only apparently insane market out there.