经济学原理对应练习33.doc

经济学原理对应练习33.doc

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Chapter33/AggregateDemandandAggregateSupplyv1393

Chapter33

AggregateDemandandAggregateSupply

MultipleChoice

1. Whichofthefollowingexplainswhyproductionrisesinmostyears?

a. increasesinthelaborforce

b. increasesinthecapitalstock

c. advancesintechnologicalknowledge

d. Alloftheabovearecorrect.

ANS:

D PTS:

1 DIF:

1 REF:

33-1

TOP:

Growth MSC:

Definitional

2. Onaverageoverthepast50years,theU.S.economyhasgrownattherateofabout

a. 1percentperyear.

b. 3percentperyear.

c. 4percentperyear.

d. 6percentperyear.

ANS:

B PTS:

1 DIF:

1 REF:

33-1

TOP:

Growth MSC:

Definitional

3. Ashortperiodoffallingincomesandrisingunemploymentiscalleda

a. depression.

b. recession.

c. expansion.

d. businesscycle.

ANS:

B PTS:

1 DIF:

1 REF:

33-1

TOP:

Businesscycle MSC:

Definitional

4. Duringrecessions

a. workersarelaidoff.

b. factoriesareidle.

c. firmsmayfindtheyareunabletosellalltheyproduce.

d. Alloftheabovearecorrect.

ANS:

D PTS:

1 DIF:

1 REF:

33-1

TOP:

Businesscycle MSC:

Definitional

5. Duringarecessiontheeconomyexperiences

a. risingemploymentandincome.

b. risingemploymentandfallingincome.

c. risingincomeandfallingemployment.

d. fallingemploymentandincome.

ANS:

D PTS:

1 DIF:

1 REF:

33-1

TOP:

Businesscycle MSC:

Definitional

6. Whichofthefollowingiscorrect?

a. Economicfluctuationsareeasilypredictedbycompetenteconomists.

b. Recessionshaveneveroccurredveryclosetogether.

c. Othermeasuresofspending,income,andproductiondonotfluctuatecloselywithrealGDP.

d. Noneoftheaboveiscorrect.

ANS:

D PTS:

1 DIF:

1 REF:

33-1

TOP:

Businesscycle MSC:

Definitional

7. Whichofthefollowingiscorrect?

a. Overthebusinesscycleconsumptionfluctuatesmorethaninvestment.

b. Economicfluctuationsareeasytopredict.

c. Duringrecessionssalesandprofitstendtofall.

d. BecauseofgovernmentpolicytheU.S.hassufferednorecessionsinthelast25years.

ANS:

C PTS:

1 DIF:

1 REF:

33-1

TOP:

Businesscycle MSC:

Definitional

8. Duringrecessions

a. salesandprofitsfall.

b. salesandprofitsrise.

c. salesrise,profitsfall.

d. profitsfall,salesrise.

ANS:

A PTS:

1 DIF:

1 REF:

33-1

TOP:

Businesscycle MSC:

Definitional

9. Whichofthefollowingtypicallyrisesduringarecession?

a. garbagecollection

b. unemployment

c. corporateprofits

d. automobilesales

ANS:

B PTS:

1 DIF:

1 REF:

33-1

TOP:

Businesscycle MSC:

Definitional

10. Mosteconomistsusetheaggregatedemandandaggregatesupplymodelprimarilytoanalyze

a. short-runfluctuationsintheeconomy.

b. theeffectsofmacroeconomicpolicyonthepricesofindividualgoods.

c. thelong-runeffectsofinternationaltradepolicies.

d. productivityandeconomicgrowth.

ANS:

A PTS:

1 DIF:

1 REF:

33-1

TOP:

Aggregatedemandandsupplymodel MSC:

Interpretive

11. RealGDP

a. isthecurrentdollarvalueofallgoodsproducedbythecitizensofaneconomywithinagiventime.

b. measureseconomicactivityandincome.

c. isusedprimarilytomeasurelong-runtrendsratherthanshort-runfluctuations.

d. Alloftheabovearecorrect.

ANS:

B PTS:

1 DIF:

1 REF:

33-1

TOP:

RealGDP MSC:

Definitional

12. RealGDP

a. movesinthesamedirectionasunemployment.

b. isnotadjustedforinflation.

c. alsomeasuresrealincome.

d. Alloftheabovearecorrect.

ANS:

C PTS:

1 DIF:

1 REF:

33-1

TOP:

RealGDP MSC:

Definitional

13. Asrecessionsbegin,production

a. andunemploymentbothrise.

b. risesandunemploymentfalls.

c. fallsandunemploymentrises.

d. andunemploymentbothfall.

ANS:

C PTS:

1 DIF:

1 REF:

33-1

TOP:

Unemploymentandthebusinesscycle MSC:

Definitional

14. Duringrecessionsinvestment

a. fallsbyalargerpercentagethanGDP.

b. fallsbyaboutthesamepercentageasGDP.

c. fallsbyasmallerpercentagethanGDP.

d. fallsbutthepercentagechangeissometimesmuchlargerandsometimesmuchsmaller.

ANS:

A PTS:

1 DIF:

2 REF:

33-1

TOP:

Investmentandthebusinesscycle MSC:

Analytical

15. Whichofthefollowingiscorrectconcerningrecessions?

a. Theycomeatfairlyregularandpredictableintervals.

b. Theyareassociatedwithcomparativelylargedeclinesininvestmentspending.

c. TheyareanyperiodwhenrealGDPgrowthislessthanaverage.

d. Theytendtobeassociatedwithfallingunemploymentrates.

ANS:

B PTS:

1 DIF:

1 REF:

33-1

TOP:

Businesscycle MSC:

Definitional

16. Historically,thechangeinrealGDPduringrecessionshasbeen

a. mostlyachangeininvestmentspending.

b. mostlyachangeinconsumptionspending.

c. aboutequallydividedbetweenconsumptionandinvestmentspending.

d. sometimesmostlyachangeinconsumptionandsometimesmostlyachangeininvestment.

ANS:

A PTS:

1 DIF:

1 REF:

33-1

TOP:

Investmentandthebusinesscycle MSC:

Definitional

17. WhichpartofrealGDPfluctuatesmostov