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【简答题】If the elasticity is greater than 1, is demand elastic or inelastic? If the elasticity equals 0, is demand perfectly elastic or perfectly inelastic?
【单选题】If the demand curve is perfectly elastic, the elasticity coefficient is ____ and the curve is ____.
A.
zero, vertical
B.
infinity, horizontal
C.
zero, horizontal
D.
infinity, vertical
【单选题】Which of the following best describes the elasticities of supply for renewable and non-renewable resources Renewable resource Non-renewable resource()①A. Elastic Perfectly elasti...
A.
B.
C.
【单选题】汽车起动机按磁场产生方式分类包括( )。
A.
交流并激式   B、励磁式起动机
B.
磁极移动式   D、永磁式起动机
【单选题】A perfectly elastic demand implies that
A.
buyers will not respond to any change in price.
B.
any rise in price above that represented by the   demand curve will result in a quantity demanded of zero.
C.
quantity demanded and price change by the same   percent as we move along the demand curve.
D.
price will rise by an infinite amount when there   is a change in quantity demanded.
【单选题】If the supply of good A is perfectly elastic, a decrease in demand will:
A.
reduce the equilibrium quantity traded, but leave the price unchanged.
B.
reduce the equilibrium quantity traded, and reduce the price.
C.
reduce the equilibrium price, but leave the quantity traded unchanged.
D.
reduce the equilibrium price traded, but increase the quantity traded.
【判断题】A perfectly elastic demand curve is vertical.
A.
正确
B.
错误
【多选题】汽车起动机按磁场产生方式分类包括( )。
A.
交流并激式
B.
励磁式起动机
C.
励磁式起动机
D.
永磁式起动机
【单选题】A perfectly elastic demand curve will be
A.
vertical.
B.
horizontal.
C.
downward sloping to the right.
D.
upward sloping to the right.
【单选题】A perfectly elastic supply curve is:
A.
upward sloping to the right.
B.
downward sloping to the left.
C.
horizontal.
D.
vertical.
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