DOES THE STOCK MARKET OVER-REACT?

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Some say it does!

ArtBy Arthur Chalekian GEPC

[Financial Consultant]

Some experts say it does. In 1985, Werner DeBondt, currently a professor of finance at DePaul University, and Richard Thaler, currently a professor of behavioral science and economics at the University of Chicago, published an article titled, Does The Stock Market Overreact? 

Professor Speak

The professors were among the first economists to study behavioral finance, which explores the ways in which psychology explains investors’ behavior. Classic economic theory assumes all people make rational decisions all the time and always act in ways that optimize their benefits. Behavioral finance recognizes people don’t always act in rational ways, and it tries to explain how irrational behavior affects markets.

Research 

DeBondt and Thaler’s research, which has been explored and disputed over the years, supported the idea that markets tend to overreact to “unexpected and dramatic news and events.” The pair found people tend to give too much weight to new information. As a result, stock markets often are buffeted by bouts of optimism and bouts of pessimism, which push stock prices higher or lower than they deserve to be.

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In a recent memo, Oaktree Capital’s Howard Marks reiterated his long-held opinion, “…In order to be successful, an investor has to understand not just finance, accounting, and economics, but also psychology.” He makes a good point.

Assessment 

When markets become volatile, it’s a good idea to remember the words of Benjamin Graham, author of The Intelligent Investor, who wrote, “By developing your discipline and courage, you can refuse to let other people’s mood swings govern your financial destiny. In the end, how your investments behave is much less important than how you behave.”

Conclusion

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OUR OTHER PRINT BOOKS AND RELATED INFORMATION SOURCES:

Risk Management, Liability Insurance, and Asset Protection Strategies for Doctors and Advisors: Best Practices from Leading Consultants and Certified Medical Planners™8Comprehensive Financial Planning Strategies for Doctors and Advisors: Best Practices from Leading Consultants and Certified Medical Planners™

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