Why the future of popular culture will revolve around ever bigger bets on entertainment products, by one of Harvard Business School's most popular professors

What's behind the phenomenal success of entertainment businesses such as Warner Bros., Marvel Entertainment, and the NFL along with such stars as Jay-Z, Lady Gaga, and LeBron James? Which strategies give leaders in film, television, music, publishing, and sports an edge over their rivals?

Anita Elberse, Harvard Business School's expert on the entertainment industry, has done pioneering research on the worlds of...