If you have challenges motivating staff at work, then you have to watch this video by Dan Pink. He deals with all of the challenges that impact levels of engagement, creativity, turnover rates, etc. He also sheds light on the challenge of incorporating motivational plans into your performance management metrics. Be careful what you measure, it drives behaviour. Check out the video, I guarantee it will help you in some way if you manage people.
If you need more help on these ideas, then you should check out Learning Tree’s Management Skills course.