Corporate Governance and Ethics

Consider the roles of government, shareholders, the board of directors, and management in your answers to the following questions:

What is the primary function and ethical responsibility of each of the above-mentioned roles in corporate governance?
What is the primary function and ethical responsibility of each of the above-mentioned roles toward society?
To what extent are your answers to each of these questions congruent and aligned? In other words, to what extent are your answers to these consistent and reasonable, and in what ways are these roles and ethical responsibilities tied to each other?