Ninety percent of companies worldwide failed to achieve sustained, profitable growth over the past decade. While current business wisdom calls for "new rules" for strategy and organization, a breakthrough book reveals that the answer to the growth dilemma actually lies in basic, enduring economic principles. Based on a sweeping ten-year study of more than two thousand technology, service, and product companies in a variety of industries, Profit from the Core argues that most growth strategies fail to deliver value - or even destroy it - primarily because they wrongly diversify from the core business. The authors contend that this timeless strategic precept - building market power in a well-defined core - remains the key source of competitive advantage and the most viable platform for successful expansion. Drawing from hundreds of in-depth case studies, interviews with more than one hundred CEOs, and the authors' broad consulting and business experience, the book identifies...