A change in which of the following changes the supply of dollars and shifts the supply curve of dollars?
I. an increase in the exchange rate
II. a change in interest rates
III. a decrease in the expected future exchange rate
A) I
B) I and II
C) II and III
D) I, II, and III
C
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The law of demand concludes that a rise in the price of a golf ball ________ the quantity demanded and ________
A) increases; shifts the demand curve for golf balls rightward B) decreases; shifts the demand curve for golf balls leftward C) decreases; creates a movement up along the demand curve for golf balls D) increases; creates a movement down along the demand curve for golf balls
Suppose Cournot duopolists firms (A and B) face the same market demand curve, and initially have identical costs. Firm A figures out a way of reducing its marginal cost. At the new Nash-Cournot equilibrium,
A) firm A's price falls. B) firm A's output expands and firm B's output contracts. C) firm B's profits expand. D) the price charged by both firms increases.