It is often said that the only true source of sustained competitive advantage is people. But what does that mean and how can this be measured and managed? How many organizations know whether their human capital outperforms their competitors, or even whether it improves year-over-year? And what is the strategy for continually improving that performance? Proposing a radical shift in the way organizations measure and manage their people, asserts that competitive advantage is a function of four areas of strength: Using examples, research, and metrics, this essential guide provides you with a system for ensuring that your people are more valuable this year than the last.