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Evidence Quotes

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Evidence Quotes

“While 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.”

Humans Human Beings Decision Theory Evidence Remains Errors Investing Financial Rational Investors Irrational Apostles Predictable Systematic

Author:John C. Bogle

“The debate can be put in the form of the question: Resolved, that the best of money managers cannot be demonstrated to be able to deliver the goods of superior portfolio-selection performance. Any jury that reviews the evidence, and there is a great deal of relevant evidence, must at least come out with the Scottish verdict: Superior investment performance is unproved.”

Able Form Deals Evidence Performances Investment Investing Debate Superiors Managers Goods Reviews Relevant Selection Jury Scottish Verdict Portfolios Superior Performance

Author:Paul Samuelson

“99% of fund managers demonstrate no evidence of skill whatsoever.”

Skills Evidence Investing Managers Fund

Author:William J. Bernstein

“Very little evidence was found that any individual fund was able to do significantly better than that which we expected from mere random chance.”

Littles Able Found Individual Chance Evidence Mere Investing Expected Fund Random Chance

Author:Michael Jensen

“There is no other proposition in economics that has more solid empirical evidence supporting it than the Efficient Market Hypothesis... In the literature of finance, accounting, and the economics of uncertainty, the EMH is accepted as a fact of life.”

Facts Literature Evidence Economics Investing Accepted Finance Uncertainty Efficient Propositions Hypothesis Facts Of Life Accounting Empirical Evidence Efficient Markets

Author:Michael Jensen

“Millions of mutual-fund investors sleep well at night, serene in the belief that superior outcomes result from pooling funds with like-minded investors and engaging high-quality investment managers to provide professional insight. The conventional wisdom ends up hopelessly unwise, as evidence shows an overwhelming rate of failure by mutual funds to deliver on promises.”

“Fear has a far greater grasp on human action than the impressive weight of historical evidence.”

Humans Action Greater Evidence Weight Historical Investing Impressive Human Actions

Book:Stocks for the Long Run: The Definitive Guide to Financial Market Returns and Long-term Investment Strategies

Source: Stocks for the Long Run: The Definitive Guide to Financial Market Returns and Long-term Investment Strategies

“Thousands of people have tried, and the evidence is clear: The more you trade, the less you keep.”

People Clear Evidence Trade Investing

Book:The Intelligent Investor: A Book of Practical Counsel

Source: The Intelligent Investor: A Book of Practical Counsel

“Sometimes people hold a core belief that is very strong. When they are presented with evidence that works against that belief, the new evidence cannot be accepted. It would create a feeling that is extremely uncomfortable, called cognitive dissonance. And because it is so important to protect the core belief, they will rationalize, ignore and even deny anything that doesn't fit in with the core belief.”

“Take nothing on its looks; take everything on evidence. There's no better rule.”

Looks Wisdom Words Of Wisdom Expectations Evidence Investing Great Expectations Supervision Great Expectations Important

Author:Charles Dickens

“There is empirical evidence that leading brands that keep investing during recessions gain share.”

Business Share Evidence Gains Investing Brands Recessions Empirical Evidence

Author:Ken Kaess