Starting your own business? Need some extra space for your needlepoint habit? You're in luck ... office space comes cheap these days. In fact, rent for office space is sliding lower at the fastest rate since 1995. In the third quarter, office rents dropped 8.5% on a year-over-year basis. Falling prices typically go hand in hand with falling demand and in fact, vacancies are on the rise as layoffs increase. New York-based real-estate research firm Reis says the office vacancy rate has hit a five-year high of 16.5%. Last quarter, tenants returned 19.6 million square feet of commercial rental space to their landlords.

Nouriel Roubini, a professor at New York University, has recently been profiled in both Barron's and The New York Times. There may be nothing special about his training or methods, but what is fairly unique is his opinion that we are on the brink of a modern version of the Great Depression.

