提前行使无股息股票的美式看涨期权______ 一个最优选择. ______
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一个无股息股票的看涨期权的期限为4个月,行使价格为25美元,股票的当前价格为28美元,无风险利率为年率8%,期权的下限为( )美元.
A. 0
B. 28
C. 3
Suppose there is an advance in technology that allows the automobile industry to manufacture automobiles more cheaply. We would expect
A. a. an increase in both the equilibrium price and the equilibrium quantity of automobiles.
B. b. a decrease in both the equilibrium price and the equilibrium quantity of automobiles.
C. c. an increase in the equilibrium price and a decrease in equilibrium quantity of automobiles.
D. d. a decrease in the equilibrium price and an increase in the equilibrium quantity of automobiles.
When both supply and demand increase
A. a. equilibrium price rises, and so does equilibrium quantity.
B. b. equilibrium price falls, but equilibrium quantity rises.
C. c. equilibrium quantity rises.
D. d. it is impossible to speculate about the results for equilibrium price or equilibrium quantity.
Because cars and gasoline are complements, an increase in the price of gasoline will
A. a. increase the demand for cars.
B. b. decrease the demand for cars.
C. c. increase the demand for gasoline.
D. d. decrease the demand for gasoline.
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