计量经济学导论课件及习题答案等教辅资源 Chapter 1.pdf

IntroductiontoEconometrics,3e(Stock)

Chapter1EconomicQuestionsandData

1.1MultipleChoice

1)AnalyzingthebehaviorofunemploymentratesacrossU.S.statesinMarchof2006isanexampleof

using

A)timeseriesdata.

B)paneldata.

C)cross-sectionaldata.

D)experimentaldata.

Answer:C

2)StudyinginflationintheUnitedStatesfrom1970to2006isanexampleofusing

A)randomizedcontrolledexperiments.

B)timeseriesdata.

C)paneldata.

D)cross-sectionaldata.

Answer:B

3)Analyzingtheeffectofminimumwagechangesonteenageemploymentacrossthe48contiguousU.S.

statesfrom1980to2004isanexampleofusing

A)timeseriesdata.

B)paneldata.

C)havingatreatmentgroupvs.acontrolgroup,sinceonlyteenagersreceiveminimumwages.

D)cross-sectionaldata.

Answer:B

4)Paneldata

A)isalsocalledlongitudinaldata.

B)isthesameastimeseriesdata.

C)studiesagroupofpeopleatapointintime.

D)typicallyusescontrolandtreatmentgroups.

Answer:A

5)Econometricscanbedefinedasfollowswiththeexceptionof

A)thescienceoftestingeconomictheory.

B)fittingmathematicaleconomicmodelstoreal-worlddata.

C)asetoftoolsusedforforecastingfuturevaluesofeconomicvariables.

D)measuringtheheightofeconomists.

Answer:D

1

6)Toprovidequantitativeanswerstopolicyquestions

A)itistypicallysufficienttousecommonsense.

B)youshouldinterviewthepolicymakersinvolved.

C)youshouldexamineempiricalevidence.

D)istypicallyimpossiblesincepolicyquestionsarenotquantifiable.

Answer:C

7)Anexampleofarandomizedcontrolledexperimentiswhen

A)householdsreceiveataxrebateinoneyearbutnottheother.

B)oneU.S.stateincreasesminimumwagesandanadjacentstatedoesnot,andemploymentdifferences

areobserved.

C)randomv