Research: Hiring a Superstar Can Backfire

In an op-ed for Harvard Business Review, professor at HEC Paris Business School John Mawdsley and his co-authors detail the resuls of their research suggesting that hiring superstars often hurts performance, especially when they disrupt existing teams. However, results improve when stars join already high-performing groups. Mawdsley suggests firms focus on nurturing internal talent instead of risky external hires