Let L represent the number of workers hired by a firm, and let Q represent that firm's quantity of output. Assume two points on the firm's production function are (L = 12, Q = 122) and (L = 13, Q = 130). Then the marginal product of the 13th worker is

If a firm is in an antitrust court case being accused of monopolizing a product, the firm would hire an economist to show

A) the cross-price elasticity of demand between the firm's good and another is positive. B) the price elasticity of demand for the firm's good is highly inelastic. C) the income elasticity of the firm's good is inferior. D) the cross-price elasticity of demand between the firm's good and another is negative.

Human capital is associated with

a. a doctor charging lower-income patients less b. a doctor paying rent for the office c. a doctor's stethoscope d. a doctor's knowledge of political events e. a doctor's skills in the operating room