Summary.
Much of the strategy and management advice that business leaders turn to is unreliable or impractical. That’s because those who would guide us underestimate the power of chance. Gurus draw pointed lessons from companies whose outstanding results may be nothing more than random fluctuations. Executives speak proudly of corporate achievements that may be only lucky coincidences. Unfortunately, almost no one provides scientifically credible answers to every business leader’s basic questions about superior performance: Which companies are worth studying? What sets them apart? How can we follow their examples?