3) The copper, aluminum, cement, and industrial alcohol industries are examples of:
A.interproduct competition.
B.homogeneous oligopoly.
C.monopolistic competition.
D.differentiated oligopoly.
4) For a firm selling its product in an imperfectly competitive market, the marginal
revenue product of labor can be found by:
A.adding marginal product to total product as one more unit of labor is employed.
B.adding marginal revenue to total product as one more unit of labor is employed.
C.multiplying marginal product by product price.
D.multiplying marginal product by marginal revenue.
5) The following data are for a series of increasingly extensive flood control projects:
Refer to the data. For Plan D marginal costs and marginal benefits are:
A.$72,000 and $64,000 respectively.
B.$28,000 and $12,000 respectively.
C.$24,000 and $18,000 respectively.
D.$16,000 and $28,000 respectively.
6) A price increase from $43 to $49 results in an increase in quantity supplied from 220
units to 240 units. The price elasticity of supply in this price range is:
A..3
B..67
C.1.50
D.3.33
7) Suppose that a consumer purchases just two goods, X and Y. The slope of the budget
line would indicate the: