_____________is the extra output or change in the total product caused by the addition of one more unit of variable output.

The entry and exit of firms in a perfectly competitive market is mostly dependent on:

A) the number of firms in the market. B) government regulations. C) profitability. D) the number of consumers in the market.

Expressly forbidding a person who is a director of one corporation to sit on the board of another corporation in the same industry is a provision of the ___________ Act.

Fill in the blank(s) with the appropriate word(s).