Alphas, Betas, and Predetermined Rates of Returns

In the ongoing social debate on what kind of an economic system we should build on top of the rubble of the present financial mess, we as investors should focus less on the philosophical nuances and more on how to adjust our investment framework, expectations, and tactics.
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http://globaleconomicnews.blogspot.com/2009/07/alphas-betas-and-predetermined-rates-of.html
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Tags: Alpha, Beta, Rates of Return, Valuations. Asset allocation, financial strategy, investing risk, real estate, leverage, beta exposure, Global Economic News, free market proponents, Milton Friedman, Margaret Thatcher,