The superstar effect is real, and in this new competitive environment, strategy matters more than ever.
The rapid growth of very large global companies is fueling widespread debate about “superstar” effects and superstar companies. The McKinsey Global Institute (MGI) recently published its first findings in a series of research papers on this topic. One motivating factor for our ongoing research is that even as the debate grows, it is marred by confusing definitions, errors in measurement, and incomplete data—and as a result, the evidence remains inconclusive.
