Cage match ECONOMISTS VERSUS THE FUTURES EXCHANGE at Business Week. Who’s better at predicting future home prices?

Find estimated price declines in many U.S. cities.

On one side is Mark Zandi, chief economist at Moody’s, who released a mammoth report on housing prices last week. On the other side are traders and speculators at the Chicago Mercantile Exchange (CME). Just a few months ago, they began trading futures and options contracts on housing prices in 10 markets across the U.S.