Anyone who believes a growth rate in excess of 15% per annum over the long term is attainable should pursue a career in sales, but avoid one in mathematics.
As I have mentioned before, we cannot make the same sort of money out of permanent ownership of controlled businesses that can be made from buying and reselling such businesses, or from skilled investment in marketable securities. Nevertheless, they offer a pleasant long term form of activity (when conducted in conjunction with high grade, able people) at satisfactory rates of return.
I make no effort to predict the course of general business or the stock market. Period. However, currently there are practices snowballing in the security markets and business world which, while devoid of short term predictive value, bother me as to possible long term consequences.
If I taught a class, on my final exam I would take an Internet company and ask, 'How much is this company worth?' Anyone who would answer, I would flunk.
At this point, when treasury bills, seven day treasury bills at 1/20th of one percent, it's not because people want to earn 1/20th of one percent, it's because they trust the fact the treasury will give it back to them next week.