But the result it not always that staff are happier. This is the wrong way to go about things; the employees may end up behaving as if you work for them, that you have to worry so much about their day-to-day happiness. Of course, it is important to motivate staff and see them energised.
But the key thing is that they must focus their energies on making your company a success and, in doing so, they should get satisfaction and enjoyment. It is best to focus employees around a key overriding goal such as "we only ship products with zero defects".
Source: Ideas The Welch Way
Business Week May 29 2006