Robert B. Kaiser 
Filling the Leadership Pipeline [PDF ebook] 

There is an easy case to make for the imperative of investing in tomorrow’s leaders today. It’s the law of supply and demand: more organizations in greater competition under increased pressure to perform put a premium on scarce talent. The labor economy has become a seller’s market, and poaching or luring talent away from other organizations is a losing proposition. The alternative is to become good at developing your talented managers into great leaders and aggressively seeking out potential and developing it anywhere and everywhere you can find it across the organization.