If an exhaustible resource is scarce, has constant marginal cost over time, and is sold in a competitive market, then
A) its price increases over time.
B) its price will not be a function of the interest rate.
C) its price moves independently of past prices.
D) its price equals marginal cost.
A
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Based on Table 9.1, the balance on the financial account is
A) +100. B) +200. C) 0. D) -100. E) -200.
Intertemporal trade is
A) the exchange of goods but not services for claims to future goods. B) the exchange of services but not goods for claims to future services. C) the exchange of good and services for claims to future goods and services. D) the exchange of domestic goods and services for foreign goods and services. E) the type of trade that the U.S. government focuses most upon.
In the Cournot model, if the products are differentiated,
A) this reduces the pressure of one firm's decisions on the other. B) this increases the pressure of one firm's decisions on the other. C) there is no difference between this model and one with homogeneous goods. D) marginal costs are necessarily different.
Suppose milk and cereal are compliments and the demand for milk is Qdm = 40 - 6Pm - 2Pc, where Qdm stands for millions of gallons of milk demanded, Pm stands for the price of milk and Pc stands for the price of cereal. The supply of milk is Qsm = 6Pm - 8, where Qsm stands for millions of gallons of milk supplied. The demand and supply of cereal are Qdc = 90 - 5Pc - Pm and Qsc = 5Pc - 10, respectively, where Qdc stands for millions of boxes of cereal demanded and Qsc stands for millions of boxes of cereal supplied. Which of the following gives the price of milk in terms of the price of cereal?
A. Pm = 4 - (Pc/6) B. Pm = (32/12) - (Pc/6) C. Pm = (32 - 2Pc)/12 D. Pm = (32/12) + (Pc/6)