题目内容

Ifthepriceelasticityofdemandforagoodis4.0,thena10percentincreaseinpriceresultsina

A. 0.4 percent decrease in the quantity demanded. ​
B. 2.5 percent decrease in the quantity demanded. ​
C. 4 percent decrease in the quantity demanded. ​
D. 40 percent decrease in the quantity demanded.

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Thevalueofthepriceelasticityofdemandforagoodwillberelativelylargewhen

A. there are no good substitutes available for the good. ​
B. the time period in question is relatively short. ​
C. the good is a luxury rather than a necessity. ​
D. All of the above are correct.

Thelocalbakerymakessuchgreatcinnamonrollsthatconsumersdonotrespondmuchatalltoachangeintheprice.Iftheownerisonlyinterestedinincreasingrevenue,sheshould

A. lower the price of the cinnamon rolls. ​
B. leave the price of the cinnamon rolls unchanged. ​
C. raise the price of the cinnamon rolls. ​
D. reduce costs.

Whendemandiselastic,adecreaseinpricewillcause

A. an increase in total revenue. ​
B. a decrease in total revenue. ​
C. no change in total revenue but an increase in quantity demanded. ​
D. no change in total revenue but a decrease in quantity demanded.

Supposethatquantitydemandfallsby30%asaresultofa5%increaseinprice.Thepriceelasticityofdemandforthisgoodis

A. inelastic and equal to 6. ​
B. elastic and equal to 6. ​
C. inelastic and equal to 0.17. ​
D. elastic and equal to 0.17.

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