The price elasticity of demand is the:A．change in total revenue divide

1.Economists compute the price elasticity of demand as the 选项： A、percentage change in price divided by the percentage change in quantity demanded. B、change in quantity demanded divided by the change in the price. C、percentage change in quantity demanded divided by the percentage change in price. D、percentage change in quantity demanded divided by the percentage change in income.

2.Economists compute the price elasticity of demand as the选项： A:percentage change in price divided by the percentage change in quantity demanded.; B:change in quantity demanded divided by the change in the price.; C:percentage change in quantity demanded divided by the percentage change in price.; D:percentage change in quantity demanded divided by the percentage change in income.

3.The price elasticity of demand is defined asA．the percentage change in the quantity demanded divided by the percentage change in income.B．the percentage change in income divided by the percentage change in the quantity demanded.C．the percentage change in the quantity demanded of a good divided by the percentage change in the price of that good.D．the percentage change in price of a good divided by the percentage change in the quantity demanded of that good.

4.The price elasticity of supply is calculated as the 选项： A、quantity supplied divided by the per unit cost of production. B、quantity supplied divided by the percentage change in quantity demanded. C、percentage change in quantity supplied divided by the percentage change in price. D、percentage change in price divided by the percentage change in quantity demanded.

5.The cross elasticity of demand is calculated as the percentage change in the _.A．quantity demanded of one good divided by the percentage change in the price of another goodB．price of one good divided by the percentage change in the quantity demanded of another goodC．quantity demanded of one good divided by the percentage change in the quantity demanded of another goodD．price of one good divided by the percentage change in the price of another good.

6.The price elasticity of supply at a point is:选项： A:the percentage change in quantity supplied divided by the percentage change in price.; B:the percentage change in price divided by the percentage change in quantity supplied. ; C: the change in quantity supplied divided by the change in price. ; D:the change in price supplied divided by the change in quantity supplied.

7.The cross elasticity of demand is calculated as the percentage change in the 选项： A、quantity demanded of one good divided by the percentage change in the price of another good B、price of one good divided by the percentage change in the quantity demanded of another good. C、quantity demanded of one good divided by the percentage change in the quantity demanded of another good. D、price of one good divided by the percentage change in the price of another good.

8.What is price elasticity of demand? 选项： A:

a measure of how much the quantity demanded of a good responds to a change in the price of that good, computed as the percentage change in quantity demanded divided by the percentage change in price

B:

a measure of how much the quantity demanded of a good responds to a change in consumers' income, computed as the percentage change in quantity demanded divided by the percentage change in income

C:

a measure of how much the quantity supplied of a good responds to a change in the price of that good, computed as the percentage change in quantity supplied divided by the percentage change in price

D:

a measure of how much the quantity demanded of a good responds to a change in the price of another good, computed as the percentage change in quantity demanded of the first good divided by the percentage change in the price of the second good