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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.

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Stop Trying to Predict Which New Products Will Succeed

Harvard Business Review

First recognize if the product is solving a real problem and people will buy it, then figure out how to scale production and distribution in situations of success. Though there are multiple types of prediction, the gold standard is the prediction of precise outcomes.

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Why Those Guys Won the Economics Nobels

Harvard Business Review

Back in the ‘60s, people developed the capital asset pricing model [CAPM] as a way to do that. But it is a very basic rewrite of how to think about finance, and it has swept all before it in the academic world. And the theory that was available then was CAPM. But everybody still uses the method that came out of CAPM.

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