Some people belive that employee engagement leads to higher productivity. Some do not. This article is a good outline of what makes employees feel more or less engaged.
For example: employees want to be informed about goals and expectations and how their roles fit within them. "Do I have a future here?"is one of the most important questions for both employers and employees to answer. Employers, however, often try to answer that question by offering promotions and pay raises when employees are really looking for value and meaning in their work.