Obviously, excellence must be defined in a broader sense in the ways companies perform three interdependent functions that allow them to be better and stay better than the competition: The social function, the entrepreneurial function and the managerial function.

FORBES: How Companies Become And Stay Great

The social function, for instance, imposes different constraints on entrepreneurial and managerial functions, while the entrepreneurial and managerial functions impose their own constraints on the social function of a corporation.

FORBES: How Companies Become And Stay Great