Jan

1

From the archives:

Elroy Dimson, Paul Marsh and Mike Staunton, Triumph of the Optimists. We cannot say too often that if you read one investment book, this should be it. Ever since its publication in early 2000, it has informed our approach to the market and served as a source of trading ideas. The first comprehensive international market database, this book by three distinguished London Business School professors belongs on the shelf of every investor, trader, policy-maker and economist. In all the sciences, great strides in seeing things how they are came about after the compilation and classification of data. At last we have something that builds on the University of Chicago’s Center for Research in Securities Prices, the U.S. database that led to an explosion in market knowledge and testing a generation ago.

Elroy Dimson, Paul Marsh and Mike Staunton of the University of London Business School worked together on this massive project. Within Triumph's pages, an investor may find definitive information on inflation adjusted returns for stocks, bonds and treasury bills, real dividends, correlation between markets worldwide, and the relative performance of value and growth stocks.

Unlike most books written by academics, Triumph avoids hasty generalizations and biased sampling procedures. The authors rightly fault earlier investment studies for arbitrary selection of starting and stopping points, the tendency to include the good and exclude the bad, and a parochial focusing on a small slice of the global picture. Their work epitomizes outstanding investment research.

Great works can be created in humble circumstances. Shakespeare was an actor and entrepreneur who reworked old plots so that his theatre company could make a buck. Cervantes wrote a parody of the fashionable knight errantry books to repay his debts. Dimson told us that he and his colleagues thought of Triumph as "a labor of love, just a small contribution that could lead to a paperback meant for light reading on planes". He added, "Our families would be less kind about our fixation." Staunton, who collected the data, prefers to gather statistics by himself from original sources at specialized libraries instead of delegating the work.

The main conclusion of Triumph is that a random selection of US stocks returned 1,500,000 percent in the twentieth century. Yes, big losses occurred at times, such as the back-to-back losses of -28 percent and -44 percent in 1930 and 1931, or the 10 years from 1970 to 1979 when stocks hardly budged while the dollar lost 28 percent of its purchasing power.

But overall, adjusted for inflation, the return on US stocks amounted to 6.3% a year, better than any other class of securities.


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  1. august wadi on January 4, 2025 10:16 pm

    thx God, what a nice recommendation from your archive Sir, i’d love your work in practical speculation & education of speculator …i’d loved to discuss & to know you and hope you can satisfy my curiousness & question on market behaviour, you’re my role model on researching & testing every nook & cranny of market adage

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