Almost 20 years ago, Clayton Christensen popularized the term disruption in his book The Innovator's Dilemma, describing it as a set of risks that established firms face. Since then, few have closely examined his account. Joshua Gans does so in this book. He looks at companies that have proven resilient and those that have fallen and explains why some companies have successfully managed disruption while others have not.
Is Donald Trump an anomaly who is having a long run? Or does Trump represent a fundamental change in the U.S. political system? "How Much Is Trump Really Disrupting Politics-As-Usual?" is from hbr.org, published on March 1, 2016.