The Investment Scientist

Posts Tagged ‘risk return

If you invested $1 in the small cap value index at the beginning of 1927, you would have had $52,892 by the end of 2010. This is according to the recently published Dimensional Fund Advisors’ annual Matrix Book. Included in the book are historical risk and returns of various indices based on capitalization and book-to-market valuation.

Table 1 presents a summary of historical returns. The best returns are marked in green; the worst, marked in red. As one can see, the small cap value index is the best for all the periods considered. And it is the best by a huge margin.

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icarra chart

MZ Capital 40/60 model vs S&P 500

Just like two sides of a coin, the capital market is made up of capital demanders (businesses) and capital suppliers (investors). What for businesses are costs of acquiring capital are for investors rewards of supplying it. It is a simple truth that

Costs of Capital = Expected Returns

Looking through this lens, many capital market phenomena can be explained.

Why small stocks tend to have higher returns than large stocks?

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Author

Michael Zhuang is principal of MZ Capital, a fee-only independent advisory firm based in Washington, DC.

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