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

These other lenses, such as culture, give us different insights into how entrepreneurial economies function.

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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