Test Bank for Introductory Econometrics – Complete Study Guide & Practice Questions 2025

,TestlBankl–IntroductorylEconometrics:lAlModernlApproach,l5thlEditionlbylJeffreylM.lWooldridge

WithlPERFECTlSOLUTIONlAVAILABLElOFlALLlCHAPTERS

Chapterl1

1. Econometricslislthelbranchlofleconomicslthatl .
a. studieslthelbehaviorloflindividualleconomiclagentslinlmakingleconomicldecisions
b. developslandluseslstatisticallmethodslforlestimatingleconomiclrelationships
c. dealslwithlthelperformance,lstructure,lbehavior,landldecision-makingloflanl economylaslalwhole
d. applieslmathematicallmethodsltolrepresentleconomicltheorieslandlsolveleconomiclproblems.

Econometricslislbasedlonltheldevelopmentloflstatisticall
methodslforlestimatingleconomiclrelationships,ltestingle
conomicltheories,levaluatinglgovernmentlandlbusinesslp
olicies.
2. Nonexperimentalldatalislcalledl .
a. cross-sectionall data
b. timelseriesldata
c. observationalldata
d. panelldata



3. Whichloflthelfollowinglisltrueloflexperimentalldata?
a. Experimentalldatalarelcollectedlinllaboratorylenvironmentslinlthelnaturallsciences.
b. Experimentalldatalcannotlbelcollectedlinlalcontrolledlenvironment.
c. Experimentalldatalislsometimeslcalledlobservationalldata.
d. Experimentalldatalislsometimeslcalledlretrospectiveldata.

4. Anlempiricallanalysislrelieslonl toltestlaltheory.
a. commonlsense
b. ethicallconsiderations
c. data
d. customslandlconventions

5. Thelterml‘u’linlanleconometriclmodellislusuallylreferredltolaslthel .
a. errorlterm
b. parameter
c. hypothesis
d. dependentlvariable

6. Thelparametersloflanleconometriclmodell .
a. includelalllunobservedlfactorslaffectinglthelvariablelbeinglstudied

,b. describelthelstrengthloflthelrelationshiplbetweenlthelvariablelunderlstudylandlthelfactorslaffectinglit
c. referltolthelexplanatorylvariableslincludedlinlthelmodel
d. referltolthelpredictionslthatlcanlbelmadelusinglthelmodel
7. Whichloflthelfollowinglislthelfirstlsteplinlempiricalleconomiclanalysis?
a. Collectionlofldata
b. Statementloflhypotheses
c. Specificationloflanleconometriclmodel
d. Testingloflhypotheses

8. Aldatalsetlthatlconsistsloflalsampleloflindividuals,lhouseholds,lfirms,lcities,lstates,lcountries,lorlalvar
ietyloflotherlunits,ltakenlatlalgivenlpointlinltime,lislcalledla(n)l .
a. cross-sectionalldatalset
b. longitudinalldatalset
c. timelseriesldatalset
d. experimentalldatalset

9. Datalonlthelincomelofllawlgraduateslcollectedlatldifferentltimeslduringlthelsamelyearlis .
a. panelldata
b. experimentalldata
c. timelseriesldata
d. cross-sectionalldata

10. Aldatalsetlthatlconsistsloflobservationslonlalvariablelorlseverallvariablesloverltimelislcalledlaldat
alset.
a. binary
b. cross-sectional
c. timelseries
d. experimental

11. Whichloflthelfollowinglislanlexamplelofltimelseriesldata?
a. Datalonlthelunemploymentlrateslinldifferentlpartsloflalcountrylduringlalyear.
b. Datalonlthelconsumptionloflwheatlbyl200lhouseholdslduringlalyear.
c. Datalonlthelgrossldomesticlproductloflalcountryloverlalperiodlofl10lyears.
d. Datalonlthelnumberloflvacancieslinlvariousldepartmentsloflanlorganizationlonlalparticularlmonth.

12. Whichloflthelfollowinglrefersltolpanelldata?
a. Datalonlthelunemploymentlratelinlalcountryloverlal5-yearlperiod
b. Datalonlthelbirthlrate,ldeathlratelandlpopulationlgrowthlratelinldevelopinglcountriesloverlal10-
lyearlperiod.

c. Datalonlthelincomelofl5lmembersloflalfamilylonlalparticularlyear.
d. Datalonlthelpriceloflalcompany’slsharelduringlalyear.

, 13. Whichloflthelfollowinglislaldifferencelbetweenlpanellandlpooledlcross-sectionalldata?
a. Alpanelldatalsetlconsistslofldatalonldifferentlcross-
sectionallunitsloverlalgivenlperiodlofltimelwhilelalpooledldatalsetlconsistslofldatalonlthelsamelcross-
sectionallunitsloverlalgivenlperiodlofltime.
b. Alpanelldatalsetlconsistslofldatalonlthelsamelcross-
sectionallunitsloverlalgivenlperiodlofltimelwhilelalpooledldatalsetlconsistslofldatalonldifferentlcross-
sectionallunitsloverlalgivenlperiodlofltime
c. Alpanelldatalconsistslofldatalonlalsinglelvariablelmeasuredlatlalgivenlpointlinltimelwhilelalpooledldat
alsetlconsistslofldatalonlthelsamelcross-sectionallunitsloverlalgivenlperiodlofltime.
d. Alpanelldatalsetlconsistslofldatalonlalsinglelvariablelmeasuredlatlalgivenlpointlinltimelwhilelalpooledldat
alsetlconsistslofldatalonlmorelthanlonelvariablelatlalgivenlpointlinltime.

14. haslalcausalleffectlonl .
a. Income;lunemployment
b. Height;lhealth
c. Income;lconsumption
d. Age;lwage

15. Whichloflthelfollowinglisltrue?
a. Alvariablelhaslalcausalleffectlonlanotherlvariableliflbothlvariableslincreaselorldecreaselsi
multaneously.
b. Thelnotionlofl‘ceterislparibus’lplayslanlimportantlrolelinlcausallanalysis.
c. Difficultylinlinferringlcausalityldisappearslwhenlstudyingldatalatlfairlylhighllevelsloflaggregation.
d. Thelproblemloflinferringlcausalitylarisesliflexperimentalldatalislusedlforlanalysis.

16. Experimentalldatalarelsometimeslcalledlretrospectiveldata.lF
17. Anleconomiclmodellconsistsloflmathematicallequationslthatldescribelvariouslrelationshipslbetweenlec
onomiclvariables.lT

18. Alcross-sectionalldatalsetlconsistsloflobservationslonlalvariablelorlseverallvariablesloverltime.lF
19. Altimelseriesldatalislalsolcalledlallongitudinalldatalset.l T

20. Thelnotionloflceterislparibuslmeansl“otherlfactorslbeinglequal.”lT




Chapterl2

1. Aldependentlvariablelislalsolknownlasla(n)l .
a. explanatorylvariable
b. controllvariable
c. predictorlvariable
d. responselvariable