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Still Many Ways to Skin a Capital Cost

Harvard Business Review

knew that firms were making heavy use of the capital asset pricing model (CAPM) to size up growth opportunities, but that the model was only as good as its inputs. But that article was written a decade ago, and still the CAPM rules — and as for how to come up with the crucial inputs to it, well, practice remains all over the map.

CAPM 14
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Why Those Guys Won the Economics Nobels

Harvard Business Review

In the long-version explanation of the prizes published by the Nobel committee last fall, Campbell was cited more often than anybody else, apart from the three winners. Back in the ‘60s, people developed the capital asset pricing model [CAPM] as a way to do that. And the theory that was available then was CAPM. Problem No.

CAPM 8