If greater equality is the benefit of government intervention into the allocation of society's resources, what is the cost?

Price discrimination is best described as a monopolist:

a. selling a product at the fixed market determined price. b. charging buyers an excessive price for the product. c. charging different customers different prices when the costs are equal. d. selling a product for different prices during two different periods of time. e. charging same prices to different customers when the costs are different.

The increase in total output that results from a unit increase in the employment of a variable input is equal to the input's

a. total product. b. marginal product. c. average product. d. marginal cost.