Though I graduated from a premier academic institution, I think most finance professors are pretty clueless about actual mechanics and working of markets. As evident below, many even own a single stock. And trade so infrequenly. That below sums up why all they can do is teach efficient market hypothesis and write academic papers. ======================== http://www.smartmoney.com/theproshop/index.cfm?story=20071025&afl=yahoo&pgnum=1 "SM: Exactly how active are these investors? CW: They're not as active as you might think. Considering what our responsibilities are, we thought maybe there's more practical experience in the sample. The median finance professor has bought a stock 10 to 19 times in their lifetimes, and 14.5% have never purchased a stock in their lives, which is also surprising. "