Our capitalistic scheme in the latter years of the 20th century seems to have lost its way. We've had a "pathalogical change" from traditional owners capitalism where most of the rewards have gone to those who make the investments and assume the risks to a new and deeply flawed system of managers capitalism where the managers of our corporations our investment system, and our mutual funds are simply take too large a share of the returns generated by our corporations and mutual funds leaving the last line investors - pension beneficiaries and mutual fund owners at the bottom of the food chain.
John C. BogleBut whatever the consensus on the EMH, I know of no serious academic, professional money manager, trained security analyst, or intelligent individual investor who would disagree with the thrust of EMH: The stock market itself is a demanding taskmaster. It sets a high hurdle that few investors can leap.
John C. BogleWhile the apostles of the new so-called "behavioral" theory present ample evidence of how often human beings make irrational financial decisions, it remains to be seen whether these decisions lead to predictable errors that create systematic mispricings upon which rational investors can readily and economically capitalize.
John C. Bogle