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Why Companies Are Betting Against Big Ideas

Harvard Business Review

This idea of prospect theory, developed by Tversky and Kahneman and reported in a classic 1979 article (for which the Nobel prize was awarded) demonstrated that individuals do not make decisions rationally by selecting options with the highest expected value, because they are risk-averse and 'losses loom larger than gains.'.

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Why Those Guys Won the Economics Nobels

Harvard Business Review

You’d have this beta with the market, so you have the riskless rate plus beta times the equity premium. A mini-glossary: beta is the amount that an individual stock fluctuates relative to the overall stock market, and the equity premium is the difference in expected return between stocks and a “riskless” asset such as Treasury bonds.].

CAPM 8