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Economics: Microeconomic Analysis - Reading 13: Elasticity -

Q1. Assume that Rajesh Singh’s income increased from $20,000 per year to $30,000 per year, and his demand for “store-brand” bread decreased from 80 loaves to 40 loaves per year. Which of the following most accurately describes Singh’s income elasticity for store-brand bread?

A)   Income elasticity is -0.60 and store-brand bread is an inferior good.

B)   Income elasticity is -1.67 and store-brand bread is an inferior good.

C)   Income elasticity is +1.00 and store-brand bread is a complimentary good.

Q2. The percent change in demand for a good divided by the percent change in the price of an other good is known as the:

A)   income elasticity of demand.

B)   price elasticity of demand.

C)   cross elasticity of demand.

        

Q3. If a 10% income increase caused a group of consumers to increase their purchases of television sets from 95 to 105, the group's income elasticity of demand for television sets would be closest to:

A)   1.00.

B)   0.10.

C)   2.00.

Q4. Price elasticity of demand is most accurately defined as the change in:

A)   quantity demanded in response to a change in market price.

B)   market price in response to a change in the quantity demanded.

C)   quantity demanded in response to a change in income.

Q5. George’s Appliance
    Center sells big screen televisions. On a representative model, when the price was reduced from $2,450 to $2,275, monthly demand increased from 175 to 211 units. What is the price elasticity of demand?

A)   -1.69.

B)   -2.53.

C)   -2.14.

[此贴子已经被作者于2008-12-31 9:19:09编辑过]

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