Nothing In Life Is Quite

The Illusion Of Skill Is Not Only An Individual Aberration; It Is Deeply Ingrained In The Culture Of The [investment Management] Industry.

Many People Will Admit That They Made A Mistake [putting Money In Dot-coms Or Telecoms At Their Peak] But That Doesn’t Mean That They’ve Changed Their Mind About Anything In Particular. It Doesn’t Mean That They Are Now Able To Avoid That Mistake.

There's A Tendency To Look At Investments In Isolation. Investors Focus On The Risk Of Individual Securities.

However, Optimism Is Highly Valued, Socially And In The Market; People And Firms Reward The Providers Of Dangerously Misleading Information More Than They Reward Truth Tellers. One Of The Lessons Of The Financial Crisis That Led To The Great Recession Is That There Are Periods In Which Competition, Among Experts And Among Organizations, Creates Powerful Forces That Favor A Collective Blindness To Risk And Uncertainty.

Knowing The Importance Of Luck, You Should Be Particularly Suspicious When Highly Consistent Patterns Emerge From The Comparison Of Successful And Less Successful Firms. In The Presence Of Randomness, Regular Patterns Can Only Be Mirages.