10. When economists say a good is scarce, they mean
(A) there are only a limited number of consumers who would be interested in purchasing the
good.
(B) the human desire for the good exceeds the amount freely available from nature.
(C) most people in poorer countries do not have enough of the good.
(D) the production of the good has no opportunity cost for society.
(E) there are some things on which it is impossible to put a price, such as human life.
11. Which of the following is true in competitive markets?
(A) Price reflects the marginal value consumers place on the last unit purchased.
(B) Price reflects the average value consumers derive from the consumption of all units of
the good.
(C) Price reflects the total value consumers derive from the consumption of all units of the
good.
(D) The total area under the demand curve, but above the price, indicates the surplus
producers derive from the production and sale of the good.
(E) The total area above the supply curve, but below the price, indicates the surplus
consumers derive from the consumption of the good.
12. In a supply and demand graph, the triangular area that represents the difference between the
market price consumers pay and the height of the demand curve is called
(A) consumer surplus.
(B) producer surplus.
(C) total surplus.
(D) triangular arbitrage.
(E) deadweight loss.
Figure 3
13. The graph in Figure 3 shows conditions in the market for beef. A reduction in the price of the
grain used to feed cattle and an increase in the price of catsup (a complement for beef) will
result in which of the following?
Supply Demand Equilibrium Price Equilibrium Quantity
(A) increase increase increase increase
(B) increase decrease indeterminate increase
(C) increase decrease increase indeterminate
(D) increase decrease decrease indeterminate
(E) decrease increase increase indeterminate