Do you remember the actor Ben Stein? My generation knows him as the monotone teacher in Ferris Bueller’s Day Off (“Bueller...Bueller...”). I’ll bet you didn’t know that his father, Herbert Stein, was actually the more famous member of the Stein family. Herbert was an economist of some repute to whom credit is given for Stein’s Law. Stein’s Law states that if something cannot go on forever, it will stop. Consider Stein’s Law and how it impacts the current combination of low interest rates, low growth and low inflation.