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Transcript of Smoking Costs
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FEDERAL RESERVE BANK of ATLANTA WORKING PAPER SERIES
Even One Is Too Much: The EconomicConsequences of Being a SmokerJulie L. Hotchkiss and M. Melinda Pitts
Working Paper 2013-3
July 2013Abstract: It is well known that smoking leads to lower wages. However, the mechanism of this negativerelationship is not well understood. This analysis includes a decomposition of the wage gap between
smokers and nonsmokers, with a variety of definitions of smoking status designed to reflect differences in
smoking intensity. This paper finds that nearly two-thirds of the 24 percent selectivity-corrected
smoking/nonsmoking wage differential derives from differences in characteristics between smokers and
nonsmokers. These results suggest that it is not differences in productivity that drive the smoking wage
gap. Rather, it is differences in the endowments smokers bring to the market along with unmeasured
factors, such as baseline employer tolerance. In addition, we also determine that even one cigarette per
day is enough to trigger the smoking wage gap and that this gap does not vary by smoking intensity.
JEL classification: J31, I19, C31
Key words: smoking wage penalty, wage decomposition, wage differentials
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Even One is Too Much: The Economic Consequences of Being a Smoker
I. Introduction and Background
The health consequences of smoking have been well documented (Chaloupka and
Warner 2000). Cigarette smoking has been shown to decrease life expectancy and
increase health care utilization and expenditures. The CDC estimates that health care
expenditures attributable to smoking were over $95 billion per year in the period 2000-
2004 (Adkihari et al. 2008). However, there are other costs associated with cigarette
smoking besides poor health and smoking-attributable health care expenditures. This
research explores the labor market costs associated with cigarette smoking, specifically
the impact of cigarette smoking on wages.
There are several different mechanisms through which smoking could impact
earnings. For example, it is reasonable to expect that any action that lowers a persons
stock of health would have negative implications for wages, either through absenteeism
(Weng et al. 2013) or lower productivity (Kristein 1983). In addition, there could also be
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2010). However, when the estimation is performed separately for men and women, it
appears that the wage penalty is driven by the negative effect on mens wages as no wage
penalty was found for female smokers, at least in The Netherlands (van Ours 2004).
While it is generally accepted that smokers earn lower wages, the mechanism
behind this wage differential is less clear. Levine et al. (1997)suggeststhatthelower
wagesforsmokersisduetosuchissuesasemployerdiscrimination,increasedcosts
ofemployingsmokers,orlowerproductivitybysmokers.Inthispaper,a
decompositionofthewagedifferentialbetweensmokersandnonsmokers,acrossa
rangeofcriteriaforsmokingstatus,isusedtogainafurtherunderstandingintothe
shareofthewagedifferentialthatisattributedtoselectionintosmoking,differences
inendowments,anddifferencesinthereturntothoseendowments.A secondary
goal of this research is to examine the impact of the choice of the smoking status criteria,
including how to capture smoking intensity (i.e., number of cigarettes consumed as well
as daily versus nondaily smoking status), as well as how to treat former smokers.
Understanding the impact of smoking at different levels of intensity will aid in the
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enough for the wage penalty to kick in. In other words, it is simply the fact that an
individual smokes, not the level of cigarette consumption that matters for the
determination of the smoking wage penalty. Furthermore, the mechanism behind the
wage differential does not change with smoking intensity.
II.EmpiricalModel
Anindividualischaracterizedashavinghis/herwagedeterminedinoneof
twosectors,the"smoking"sector(S)orthe"nonsmoking"sector(NS).Because
smokingbehaviorisgenerallyobservableintheworkplace,employerscanlikely
differentiatesmokersfromnonsmokers,andpenalize(ornot)smokerswithlower
wages.Aworkersdecisiontobeasmoker,ornot,however,isnotexogenous.If
thereareunobservedindividualcharacteristicsrelatedtoboththewagestructure
andsmokingbehavior,estimationofthewagepenaltywouldbebiased.If,for
example,peoplewithhigherskillschoosetosmoke,naiveestimationofthewage
penalty would be biased downward because it wouldnt be taking into account that
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!,! (j=ns,s)isthelogofhourlywages,areindividualcharacteristicsthat
areexpectedtoinfluencebothwagesandaperson'ssmokingdecisionand! arethe
returnstomeasuredworkerscharacteristics(j=nsfornonsmokersandj=sfor
smokers).Althoughthemarketisabletodifferentiatesmokersfromnon-smokers,
employerscannotobservethelatentpropensitythatworkershavetosmoke.A
person'spropensitytosmokeisdeterminedbythesamecharacteristicsthat
determinethatperson'swage,,aswellassomecharacteristics,Z,thataffectthe
decisiontosmokebutdonotdeterminewages.!,! (j=ns,s)and! arerandomerror
termsthatareassumedtobedistributedasatri-variatenormal.Estimationis
performedinmultiplestages.
A.SelectionintoSmokingandNonsmoking
Sinceaperson'ssmokingpropensity,!,isunobserved,equation(3)cannot
bedirectlyestimated.Instead,undertheassumptionofnormalitythedecisionof
smokingcanbeestimatedviamaximumlikelihoodprobit,whereaworkeris
d d k f h l bl d k f
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wageequationssuchthat:
(1') !",!|!, = 0 = !"!
! + !"!",! + !",! (2')
!,!|! , = 1 = !!! + !!,! + !,!
Estimationofthisspecificationofthewageequationsproducesunbiasedestimates
ofthe,since,basically,self-selectionintosmokinghasbeenremovedfromthe
errorterm.
B.DecompositionoftheSmokingWageDifferential
Theobservedwagedifferentialbetweensmokersandnonsmokerscanbe
expressedas:
(5) !"
!=
!"
!!"+
!"!"
!
!
!+
!!
=
!!"
!+
!"!"
!+
!"!"
!!.
Thefirsttermontherighthandsideoftheequationisreferredtoasthecoefficient
effectandtellsushowthedifferentevaluationofasmoker'sandnonsmokers
characteristicscontributetotheobservedwagedifferential;thesecondtermisthe
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"yes,"or"no."However,fromtheperspectiveofthelabormarket,workersmaybe
penalizedmoreseverelythemoreintensivetheirsmokinghabit.Forexample,
smokinganoccasionalcigaretteontheweekendcouldhaveverydifferent
implicationsforaperson'shealthand/orproductivitythan,say,someonesmokinga
packofcigarettesperday.Thepack-a-daysmokermaytaketimeawayfrom
productiveactivitiestofeedhis/herhabit,thusloweringproductivity,aswellas
exhibitamorevisiblesmokingbehavior,bothofwhichmayreducethewagean
employeriswillingtopay.
Todeterminewhethertheintensityofsmokingimpactsthemeasured
selectivity-correctedwagedifferential,thecompleteestimationprocessisrepeated
multipletimes,changingthedefinitionofasmokerbasedonthenumberof
cigarettesapersonsmokespermonthwiththebasisofcomparisonremaining
currentnonsmokers.Afulldecompositionoftheresultsisalsopresentedto
determinewhetherendowmentorcoefficientdifferencesplayadifferentroleat
different levels of smoking intensity
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programs. The survey includes questions related to smoking, use of tobacco products,
and tobacco-related norms, attitudes, and policies (NCI 2012). The CPS provides
information on the employment and socioeconomic characteristics of the individual,
which, along with the TUS supplement, can be matched to information on other family
members.
A. Who should be considered a Smoker?
While there seems to be agreement in the literature that smoking leads to lower
wages, there does not appear to be agreement over how to define a smoker or how to
capture the penalty. Levine et al. (1997) and Auld (1998) only consider daily smokers as
smokers, with no regard for number of cigarettes. Anger and Kvasnika (2010) consider
anyone a smoker if they indicate they are a current smoker. Braakman (2008) and van
Ours (2004) use the number of cigarettes in order to capture intensity.
In this research, the impact of how the criteria used to define a smoker affects
outcomes is examined by defining the statusofsmokerandnon-smokerin
differentways,takingintoaccountcurrentsmokingstatus,theintensityofsmoking
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percent).Approximately83percentofsmokersaredailysmokerswhileaboutone
percentsmokeslessthan30cigarettespermonth.Aboutone-halfofsmokers
consumeonepackofcigarettesperday,onaverage.Again,thisshareishigherfor
males,(56.3percentofsmokers)thanforfemales(42.6percent).
[Table 1 about here]
Whileallsmokerswhostatethattheyaredailysmokersalsoreportsmoking
atleast30cigarettespermonth(consistentwithsmokingatleastoneperday),only
29percentofnondailysmokersreportsmokinglessthan30cigarettespermonth.
Infact,almosthalfofnondailysmokersconsumebetween30and149cigarettesper
month,withapproximately15percentsmokingbetween150and299cigarettesper
month.3Thissuggeststhattheremaybebingeingofcigaretteconsumption.Ifthis
bingeingisnotdoneatwork,thentherecouldbedifferentimplicationsfor
productivityordiscrimination(andthuswages)thanfordailysmokers.Inorderto
differentiatebetweenthesetwotypesofsmokers,alloftheanalysisisperformed
separately both for all smokers and for daily smokers only
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presence of former smokers). However, Blondal et al. (1999) find that the probability of
relapse of a former smoker who quit more than one year ago is negligible. Thus, in order
to abstract from any contamination of the nonsmoker group with the inclusion of newly
minted former smokers, we eliminate from the analysis anyone who quit smoking within
the previous year.4
However,thisstillleavesthecomplicationofformersmokerswhoquitmore
thanayearago.Ifthemechanismthroughwhichcurrentsmokingaffectscurrent
wagesispurelyoneofcurrentproductivity(e.g.,takingsmokingbreaksor
discrimination),thenincludingformersmokerswithnonsmokersshouldnotbias
theestimationofawagepenalty.However,AngerandKvasnicka(2010)findthat
smokingcessationismorepositivelycorrelatedwithlabormarketoutcomesthan
smokinginitiation;i.e.formerssmokersearnmorethancurrentsmokers.Infact,
theyfoundformerssmokersalsoearnedmorethanneversmokers.Thusthe
analysisisrepeatedwithoutanyformersmokerstodeterminethisimpact.
B. Sample Means
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spousessmokerelativetononsmokers'spouses.Inaddition,nonsmokersfacea
slightlyhigheraveragecostperpackofcigarettesintheirstateofresidencethan
smokers.
[Table2abouthere]
Inadditiontobasicsocioeconomicanddemographicinformation,theTUS-
CPSalsoincludesinformationonwhetherapersonworkspart-timeaswellasif
theyworkindoorsoroutdoors.Themajorityofthesample(70percent)work
indoors,withtheshareslightlyhigherforsmokers(77percent)andslightlylower
fornonsmokers(68percent).Forindoorworkers,thesurveyhasafollowup
questionregardingtheexistenceofsmokingrestrictionsonthejob.Forthose
workerswhoworkindoors,aslightlygreatershareofsmokersworkinafacility
withnorestrictions(19percent)comparedtolessthan15percentofnonsmokers.
IV.Results
A First stage Estimation of the Probability of Smoking
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restrictionssmokelessthanthoseworkingindoorswithnorestrictions.However,
thisnegativeeffectisdiminishedforpart-timeworkers,aswouldbeexpected
(fewerhoursinwhichtheworkerisexposedtotherestriction).Finally,thepriceof
cigarettesisnegativelycorrelatedwithsmokingforallagesofwomenandforallbut
theyoungestandoldestofthemeninthesample.
Theseresultsarelargelysimilarnotonlyacrossgenderbutalsoacross
smokingintensity.Malesappeartobemorepricesensitivethanfemalesandless
sensitivetoindoorsmokingrestrictions.Pricemattersmorewhenthethresholdfor
classifyingsomeoneasasmokerislessthanorequalto150cigarettespermonth.5
Themostimportantresultisthatthevariablesincludedtoidentifythesmoking
equation(i.e.,spousesmoking,thepriceofcigarettes,andpriceinteractedwithage)
aregenerallysignificantacrossallgroups.
B.EstimationofLogWageEquations
ResultsforthelogwageregressionsarereportedinAppendixA,TableA3.In
general the result are as expected Older workers earn higher hourly wages at a
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characteristicsthatleadtohigherwagesinaparticularsectorarepositively
correlatedwithcharacteristicsdeterminingtheworker'sdecisiontosmokeornotto
smoke.
C.DecomposingtheSmokingWageDifferential
Decompositionofthewagedifferentialbetweensmokersandnonsmokers
forthefullsample,aswellasbygender,arepresentedinTable3.Ingeneral,
nonsmokersearn17.5percentmorethansmokers,withaselectivity-corrected
wagegapof23.6percent.Theselectivity-correctedwagegapisslightlyhigherfor
malesat24.2percent,withtheselectivity-correctedwagegapof22.0percentfor
females.
[Table3abouthere]
Itisimportanttodistinguishbetweenawagedifferential(orgap)andawage
penaltyassociatedwithsmoking.Thetwoconceptsarefundamentallyrelated,but
differintheirconstruction.Thegapinwagesisthedifference(correctedornot
corrected for selection into smoking/nonsmoking) between the average
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percentin1986toalmost12percentin2001,dependingonclassificationof
nonsmoker.Asarobustnesscheck,asimilarspecificationwasestimatedusing
thesedata,andthepenaltyassociatedwithsmokingisintheballparkofwhatothers
havereported,rangingfrom3.6percentto6.8percent.
Individualselectionintosmoking(andnonsmoking)hastheeffectof
reducingtheobservedwagegap,makingitsixpercentagepointslowerthanthe
wagegapthatcontrolsforindividualself-selectionintosmoking(ornot).The
majorityoftheselectivity-correctedwagegap(61percentforthefullsample;62
percentformen;and68percentforwomen)isaccountedforbydifferencesinthe
endowmentsofnonsmokersrelativetosmokers.Thelargestcontributingfactorto
differencesinendowmentsbetweensmokersandnonsmokersiseducation.Aswas
seeninthesamplemeans,nonsmokersbringsignificantlygreaterlevelsof
educationtothelabormarket.Thisisconsistentwiththehigherrateoftime
preferenceamongsmokers,assuggestedbyLevineetal.(1997).Overall,the
contribution of differences in endowments suggests that smokers are different from
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theresultofreducingthewagegap.However,therelativelylargeandsignificant
(exceptformales)differenceintheconstanttermssuggeststhatthereissomething
fundamentallydifferent(andunexplainedbytheincludedregressors)aboutthe
labormarketsinwhichsmokersandnonsmokersfindthemselves(alsosee
Braakman2008).Ofcourse,twooftheunmeasuredcharacteristicsofthelabor
marketsistoleranceofemployersforemployeeswhosmokeandon-the-job
productivity.Thenextsetofresultswillhelpgetusdisentangletheroleof
employerpreferencesandproductivitydifferencesinthedeterminationofthewage
gap.
D.SmokingIntensity
Asmentionedearlier,thereareseveralhypothesesaboutwhysmokersearn
lowerwagesthannonsmokers.Onehypothesisisthatsmokersarelessproductive,
eitherbecausetheyaremorefrequentlyabsentfromthelabormarket(dueto
healthreasons,seeMuchaetal.2004)ortheyspendlessworkingtimeinproductive
activities (due to having to take smoking breaks see Halpern et al 2001) Since
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(perhapsbecauseofhigherhealthcarecosts,etc.).
Smokingintensityisnottypicallyaddressed;anindividualisseengenerally
asasmokeroranon-smoker.Levineetal(1997)utilizeddailysmokerstatusand
Braakman (2008) includedacountofthenumberofcigarettesconsumedperday.
Theseapproaches,however,donotallowonetoidentifyathresholdofcigarette
consumptionatwhichanemployerconsiderssomeonea"smoker."Athreshold
approachalsoallowsforintensitytoplayaroleindeterminingthecontributionof
endowmentsandcoefficientstothewagedifferentialbetweensmokerand
nonsmokers.VanOurs(2004)alsotakesathresholdapproachbutincludesthe
thresholdsinasingleregression,whichdoesnotallowthecontributionoftheother
regressorstovarybythreshold.Inthisresearch,theaboveanalysisisrepeatedfor
smokersofvaryingdegreesofsmokingintensity--atleast30,150,300,and600
cigarettespermonth.Smoking600cigarettespermonthamountstoroughlyone
packperday.Thecomparisongroup,forallanalysis,isthosethatdonotcurrently
smoke thus allowing the contributions of the regressors to vary Table 4 contains
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acrossintensity.Inaddition,theshareoftheselectivitycorrectedwagegap
accountedforbydifferencesinendowmentsbetweensmokersandnonsmokersare
allroughly60percent.Allinall,thereisverylittledifferenceinthedecomposition
resultsacrosslevelsofsmokingintensity.Thissuggeststhatthesmokingwage
penaltyisnotbeingdrivenbydifferencesinproductivity,but,rather,bythe
endowmentstheybringtothemarket(e.g.,educationalattainment)andby
unmeasuredfactors,suchasbaselineemployertolerance,whichshowupin
differencesintheestimatedconstantterm.
Theanalysiswasalsorepeatedfordailysmokersonlyinordertodetermine
ifbingesmokers,whowouldpresumablyhavelesssmokingintensityduringwork
hours,werereducingthesizeofthewagepenalty.6Itdoesappeartobethecase
thatdailysmokinghasagreaterimpactonwagesthanwhenallsmokersare
included,withadifferenceofalmosttwopercentagepointsformenandexactlytwo
percentagepointsforwomen.However,onceanindividualsmokesmorethan150
cigarettes per month which is 85 percent of all smokers the penalty and the share
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andStafford(2009)findthatformersmokersarefundamentallydifferentfrom
currentsmokers,andthisdifferenceleadstodifferencesinwages.
Inordertodeterminetherobustnessoftheresultstotheexclusionofformer
smokers,theaboveanalysiswasrepeatedcomparingformersmokerstonever
smokersaswellascomparingneversmokerstocurrentsmokers.7Inthisfirstcase,
formersmokersactuallyearnasevenpercentwagepremiumoverindividualsthat
neversmoked.Thus,includingtheformersmokerswiththenonsmokersincreases
theobservedwagepenaltyforsmokers.Sinceapproximately21percentof
nonsmokersareformersmoker,theirexclusionhasthepotentialofbeingnontrivial.
However,repeatingthefullanalysisexcludingformersmokersresultsinonlya
slightlylowerselectivity-correctedwagedifferential(21.3percentversus23.6
percentwhenformersmokersareincluded)andaslightlyhighershareofthewage
penaltybeingattributedtoendowments(66.7percentversus61percentwhen
formersmokersareincluded).Intheend,theinclusionorexclusionofformer
smokers does not fundamentally change any conclusions the selectivity corrected
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thispapertellsusthatroughly60percentofthewagedifferentialbetweensmokers
andnonsmokerscomesfromdifferencesinthecharacteristicstheseworkersbring
tothelabormarket,especiallyeducationalattainment.Theseresultsconfirmwhat
isfoundintheearlierliterature.
Newinsightsfromtheanalysisinthispapertellusthatevenonecigaretteis
enoughtotriggerasmokingwagedifferential,thatthewagedifferentialdoesnot
changewhenconsideringlowandhighintensitysmokers,andthat,regardlessof
intensity,roughlythesameamountofthesmokingpenaltyisaccountedforby
differencesinendowments.Inaddition,thelargestfactorcontributingtothe
differenceinthecoefficientsinthedeterminationofthewagedifferentialcomes
fromtheestimatedconstanttermsofthewageequation--theportionthatistruly
unexplainedbyregressorsincludedinthemodel.Theseresultssuggestthatthe
smokingwagegapisnotbeingdrivenbydifferencesinproductivity,but,rather,by
theendowmentssmokersbringtothemarket(e.g.,educationalattainment)andby
unmeasured factors such as baseline employer tolerance which shows up in the
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Similartoearlierresearch,wealsofindthatformersmokershaveattributes
thataremorehighlyrewardedinthelabormarketthaneithercurrentsmokersor
neversmokers,thusbiasingupwardthepenaltyforsmokers.Takenconversely,this
impliesthatthepenaltyfornotquittingishigherthanthepenaltyforsmoking
initiation.
Thelackofdifferenceacrossintensitysuggeststhatsimplyclassifyingan
individualasasmokershouldbeasufficientcontrolforsmokingstatus.However,it
isimportanttoseparateoutdailyandformersmokersinordertogetanaccurate
pointestimateforthepenaltyforcurrentsmoking.
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References
Adhikari,B,JKahende,AMalarcher,TPechacek,andVTong.Smoking-AttributableMortality,YearsofPotentialLifeLost,andProductivityLossesUnitedStates,20002004.MorbidityandMortalityWeeklyReport.
2008;57(45);12268.
Anger,Silke,andMichaelKvasnicka.DoesSmokingReallyHarmyourEarningsSo
Much?BiasesinCurrentEstimateoftheSmokingWagePenalty.Applied
EconomicLetters2010;17(6);561-564.
Auld,M.C.Wage,alcoholUse,andSmoking:simultaneousestimates.1998;
DiscussionPaper,No.98/08,DepartmentofEconomics,Universityof
Calgary.
Blodal,Thorsteinn,LaursJonGudmundsson,andAkeWestin.NicotineNasalSpray
withNicotinePatchforSmokingCessation:RandomizedTrialwithSixYear
FollowUp.BritishMedicalJournal1979;March20;318(7188):764.
Braakman,Nils(2008).TheSmokingWagePenaltyintheUnitedKingdom:RegressionandMatchingEvidencefromtheBritishHouseholdPanelSurvey.
UniversityofLuneburgWorkingPaperSeriesinEconomics.No96,August
2008.
Chaloupka,F.JandK.EWarner.TheEconomicsofSmoking.InAJCulyerandJP
Newhouse,eds.HandbookofHealthEconomics,vol.1.North-Holland:Amsterdam;2000.p.1539-1627.
Grafova Irina B and Frank Stafford 2005 Life Smoking History andWages
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Lee,Y.1999.WageEffectsofdrinkingandsmoking:ananalysisusingAustralian
TwinsData.UniversityofWesternAustraliaWorkingPaper,#99-22.
Levine,et.al.MoreBadnewsforSmokers?Theeffectsofcigarettesmokingon
wages.IndustrialandLaborRelationsReview1997;50;493-509.
Mucha,Lisa,JudithStephenson,NicoleMorandiandRiadDirani.Meta-analysisof
diseaseriskassociatedwithsmoking,bygenderandintensityofsmoking.
GenderMedicine2004;3(4);279-291.
vanOurs,J.C.APintaDayRaisesaMansPay;ButSmokingBlowsThatGainAway.
JournalofHealthEconomics2004;23;863-886.
Weng,SF,S.Ali,andJ.Leonardi-Bee.SmokingandAbsencefromWork:Systematic
ReviewandMeta-analysisofOccupationalStudies.Addiction2013;108(2):
307-319.
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Table1:DistributionofSmokingIntensity
TotalNever
Smoker
Everyday
Smoker
Someday
Smoker
Former
SmokerTotal
NonSmokers 76,321 0 0 20,673 96,994
1-29cigpermonth 0 0 1,161 0 1,161
30-149cigpermonth 0 574 1,972 0 2,546
150-299cigpermonth 0 1,416 615 0 2,031
300-599cigpermonth 0 6,217 263 0 6,480
600+cigpermonth 0 12,070 52 0 12,122
Total 76,321 20,277 4,063 20,673 121,334
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Table2:SampleMeans
Variable Full Smoker Nonsmoker FormerSmoker
Males Females
HourlyWage 15.627 13.101 16.261 16.892 17.7 13.588
(0.048) (0.133) (0.049) (0.122) (0.083) (0.046)
Smoke(=1) 0.201 - - - 0.206 0.196
(0.001) (0.002) (0.002)
Age 42.076 41.094 42.322 46.914 41.755 42.392
(0.032) (0.067) (0.037) (0.079) (0.046) (0.046)Female(=1) 0.504 0.492 0.507 0.464 - -
(0.001) (0.003) (0.002) (0.003) Black(=1) 0.095 0.085 0.098 0.059 0.079 0.112
(0.001) (0.002) (0.001) (0.002) (0.001) (0.001)Hispanic(=1) 0.070 0.076 0.044 0.036 0.076 0.063
(0.254) (0.265) (0.205) (0.186) (0.265) (0.243)
Married(=1) 0.613 0.500 0.641 0.665 0.664 0.562 (0.001) (0.003) (0.002) (0.003) (0.002) (0.002)
LessthanHigh
school(=1)
0.091 0.135 0.08 0.077 0.101 0.081
(0.001) (0.002) (0.001) (0.002) (0.001) (0.001)
Some
College(=1)
0.278 0.296 0.273 0.3 0.262 0.294
(0.001) (0.003) (0.001) (0.003) (0.002) (0.002)
BAorGraduate
degree(=1)
0.314 0.144 0.357 0.306 0.329 0.3
(0.001) (0.002) (0.002) (0.003) (0.002) (0.002)
Parttime(=1) 0.394 0.439 0.383 0.426 0.335 0.453 [0.001] [0.003] [0.002] [0.003] [0.002] [0.002]
Outdoor
Work(=1)
0.304 0.226 0.323 0.201 0.423 0.186
(0 001) (0 003) (0 002) (0 003) (0 002) (0 002)
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Table3:WageDecomposition
FullSample Male FemaleTotalWagegap 0.175*** 0.188*** 0.171***
[0.007] [0.011] [0.010]
Wagegap 0.236*** 0.242*** 0.220***
Selectivitycorrected [0.014] [0.019] [0.019]
Differencesin
endowments
0.144*** 0.150*** 0.150***
[0.003] [0.004] [0.004]
Differencesin
Coefficients
0.092*** 0.092*** 0.070***
[0.013] [0.018] [0.019]
Selection -0.061*** -0.054*** -0.049***
[0.013] [0.017] [0.018]
Differencesin
endowments 0.144*** 0.150*** 0.150***
Occupation 0.044*** 0.043*** 0.049***
[0.001] [0.002] [0.002]
Industry 0.005*** 0.002 0.008***
[0.001] [0.001] [0.001]
WorkCharacteristics 0.004*** 0.005*** 0.003*** [0.001] [0.001] [0.001]
Education 0.077*** 0.075*** 0.076***
[0.002] [0.002] [0.002]
Demographics -0.001 0.009*** -0.002*
[0.001] [0.002] [0.001]
StateFE 0.011*** 0.010*** 0.011***
[0.001] [0.001] [0.001]
TimeFE 0.006*** 0.006*** 0.006***
[0.000] [0.001] [0.001]
Differencesin
Coefficients 0.092*** 0.092*** 0.070***
O ti 0 050*** 0 042*** 0 061***
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Smokes>=30 Smokes>=150 Smokes>=300 Smokes>=600
TotalWagegap 0.182*** 0.190*** 0.188*** 0.183*** [0.007] [0.007] [0.007] [0.008]
Wagegap 0.240*** 0.243*** 0.244*** 0.252***
Selectivitycorrected [0.014] [0.015] [0.015] [0.020]
Differencesinendowments 0.148*** 0.152*** 0.151*** 0.145***
[0.003] [0.003] [0.003] [0.004]
DifferencesinCoefficients 0.093*** 0.091*** 0.094*** 0.107***
[0.014] [0.014] [0.015] [0.019]
Selection -0.059*** -0.053*** -0.057*** -0.069***
[0.013] [0.013] [0.014] [0.018]
Differencesinendowments 0.148*** 0.152*** 0.151*** 0.145***
Occupation 0.045*** 0.048*** 0.049*** 0.053***
[0.001] [0.001] [0.002] [0.002]
Industry 0.005*** 0.005*** 0.004*** 0.001
[0.001] [0.001] [0.001] [0.001]
WorkCharacteristics 0.004*** 0.004*** 0.004*** 0.005***
[0.001] [0.001] [0.001] [0.001]
Education 0.079*** 0.084*** 0.086*** 0.095*** [0.002] [0.002] [0.002] [0.002]
Demographics -0.003** -0.008*** -0.013*** -0.033***
[0.001] [0.001] [0.001] [0.002]
StateFE 0.012*** 0.013*** 0.014*** 0.016***
[0.001] [0.001] [0.001] [0.001]
TimeFE 0.006*** 0.006*** 0.007*** 0.009***
[0.001] [0.001] [0.001] [0.001]
DifferencesinCoefficients 0.093*** 0.091*** 0.094*** 0.107***
Occupation -0.052*** -0.068*** -0.073*** -0.078***
[0.011] [0.012] [0.012] [0.015]
Industry -0.039 -0.043 -0.054* -0.047
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AppendixA:SupplementalTables
TableA1:ProbabilityofSmoking
Variables Full
Sample
Males Females
Age 0.081*** 0.102*** 0.063***
[0.011] [0.015] [0.015]
(0.020) (0.025) (0.015)
AgeSquared -0.001*** -0.001*** -0.001*** [0.000] [0.000] [0.000]
(-0.000) (-0.000) (-0.000)
Female -0.216*** - -
[0.009]
(-0.052)
Black -0.248*** -0.178*** -0.313***
[0.016] [0.024] [0.023]
(-0.060) (-0.043) (-0.074)
Hispanic -0.416*** -0.305*** -0.573***
[0.022] [0.029] [0.034]
(-0.100) (-0.074) (-0.136)
Married -0.662*** -0.624*** -0.723***
[0.010] [0.014] [0.015]
(-0.159) (-0.151) (-0.171)
LessthanHighSchool 0.203*** 0.204*** 0.185***
[0.016] [0.022] [0.023]
(0.049) (0.049) (0.044)
SomeCollege -0.178*** -0.177*** -0.187***
[0.011] [0.016] [0.015] (-0.043) (-0.043) (-0.044)
BAorGraddegree -0.677*** -0.702*** -0.658***
[0.012] [0.017] [0.018]
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AvgPriceofCigarette 0.263* 0.540*** 0.024
(realtermsbyState) [0.141] [0.197] [0.201]
(0.063) (0.131) (0.006)
Price*Age -0.019*** -0.028*** -0.011 [0.006] [0.009] [0.009]
(-0.004) (-0.007) (-0.003)
Price*Age Squared 0.000*** 0.000*** 0.000
[0.000] [0.000] [0.000]
(0.000) (0.000) (0.000)
Constant -1.401*** -2.111*** -0.946***
[0.238] [0.339] [0.336]
SampleSize 121,334 60,168 61,166
LogLikelihood -52238 -26079 -25914
Notes:Standarderrorsareinbrackets,marginaleffectareinparentheses,***
p
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TableA2:ProbabilityofSmokingbyIntensity
Variables Smokes>=30 Smokes>=150 Smokes>=300 Smokes>=600Age 0.085*** 0.086*** 0.085*** 0.096***
[0.011] [0.011] [0.012] [0.014]
(0.020) (0.019) (0.017) (0.015)
AgeSquared -0.001*** -0.001*** -0.001*** -0.001***
[0.000] [0.000] [0.000] [0.000]
(-0.000) (-0.000) (-0.000) (-0.000)
Female -0.216*** -0.229*** -0.248*** -0.342***
[0.010] [0.010] [0.010] [0.012]
(-0.050) (-0.050) (-0.051) (-0.053)Black -0.254*** -0.314*** -0.400*** -0.600***
[0.017] [0.018] [0.019] [0.025]
(-0.059) (-0.068) (-0.082) (-0.093)
Hispanic -0.481*** -0.594*** -0.667*** -0.817***
[0.023] [0.025] [0.027] [0.035]
(-0.112) (-0.129) (-0.136) (-0.127)
Married -0.671*** -0.682*** -0.686*** -0.688***
[0.010] [0.011] [0.011] [0.013]
(-0.156) (-0.148) (-0.140) (-0.107)LessthanHighSchool 0.205*** 0.207*** 0.210*** 0.238***
[0.016] [0.017] [0.017] [0.019]
(0.048) (0.045) (0.043) (0.037)
SomeCollege -0.187*** -0.200*** -0.201*** -0.227***
[0.011] [0.011] [0.012] [0.014]
(-0.044) (-0.044) (-0.041) (-0.035)
BAorGraddegree -0.710*** -0.765*** -0.785*** -0.834***
[0.013] [0.014] [0.014] [0.017]
(-0.165) (-0.166) (-0.160) (-0.129)Part-timeWorker -0.011 -0.004 -0.006 -0.035
[0.027] [0.028] [0.029] [0.033]
(-0.003) (-0.001) (-0.001) (-0.005)
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Variables Smokes>=30 Smokes>=150 Smokes>=300 Smokes>=600Price*age^2 0.000*** 0.000** 0.000* 0.000
[0.000] [0.000] [0.000] [0.000]
(0.000) (0.000) (0.000) (0.000)
Constant -1.507*** -1.552*** -1.515*** -1.847***
[0.244] [0.255] [0.264] [0.314]
SampleSize 120,173 117,627 115,596 109,116
LogLikelihood -50240 -45934 -42523 -30882
Notes:Standarderrorsareinbrackets,marginaleffectareinparentheses,***p
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TableA3:LogWageRegression
FullSample Males Females
Smoker
Non-
Smoker Smoker
Non-
Smoker Smoker
Non-
Smoker
Age 0.042*** 0.043*** 0.048*** 0.051*** 0.035*** 0.034***
[0.002] [0.001] [0.003] [0.001] [0.003] [0.001]
AgeSquared -0.000*** -0.000*** -0.001*** -0.001*** -0.000*** -0.000***
[0.000] [0.000] [0.000] [0.000] [0.000] [0.000]
Female -0.213*** -0.206*** - - - - [0.007] [0.004]
Black -0.098*** -0.095*** -0.149*** -0.141*** -0.052*** -0.059***
[0.011] [0.006] [0.017] [0.009] [0.015] [0.007]
Hispanic -0.103*** -0.112*** -0.124*** -0.133*** -0.066*** -0.084***
[0.015] [0.007] [0.020] [0.010] [0.024] [0.010]
Married 0.043*** 0.054*** 0.097*** 0.104*** -0.007 0.012**
[0.006] [0.004] [0.009] [0.006] [0.008] [0.005]
LessthanHighSchool
-0.135*** -0.190*** -0.145*** -0.212*** -0.118*** -0.156***
[0.009] [0.007] [0.013] [0.009] [0.013] [0.009]SomeCollege 0.072*** 0.090*** 0.056*** 0.068*** 0.078*** 0.098***
[0.007] [0.004] [0.011] [0.007] [0.010] [0.006]
BAorGraddegree 0.257*** 0.321*** 0.213*** 0.278*** 0.301*** 0.357***
[0.011] [0.005] [0.016] [0.008] [0.015] [0.007]
Part-Time -0.077*** -0.087*** -0.045*** -0.085*** -0.090*** -0.078***
[0.008] [0.004] [0.013] [0.008] [0.010] [0.005]
Constant 1.643*** 1.821*** 1.468*** -0.005 1.545*** -0.003
[0.059] [0.030] [0.083] [0.017] [0.087] [0.016]
0.046*** -0.019 0.045*** 1.595*** 0.040*** 1.755***
[0.010] [0.012] [0.014] [0.043] [0.014] [0.046]
R2 0.239 0.368 0.194 0.339 0.226 0.352SampleSize 24,340 96,994 12,372 47,796 11,968 49,198
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- A6 -
TableA4:LogWagebySmokingIntensity
Smokes>=30 Smokes>=150 Smokes>=300 Smokes>=600
Smoker NonSmoker Smoker NonSmoker Smoker NonSmoker FormerSmoker NonSmoker
Age 0.042*** 0.043*** 0.042*** 0.043*** 0.041*** 0.043*** 0.041*** 0.043***
[0.002] [0.001] [0.002] [0.001] [0.002] [0.001] [0.003] [0.001]
AgeSquared -0.000*** -0.000*** -0.000*** -0.000*** -0.000*** -0.000*** -0.000*** -0.000***
[0.000] [0.000] [0.000] [0.000] [0.000] [0.000] [0.000] [0.000]
Female -0.213*** -0.206*** -0.213*** -0.206*** -0.220*** -0.207*** -0.230*** -0.207***
[0.007] [0.004] [0.007] [0.004] [0.008] [0.004] [0.010] [0.004]
Black -0.099*** -0.095*** -0.094*** -0.096*** -0.084*** -0.096*** -0.097*** -0.097***
[0.011] [0.006] [0.013] [0.006] [0.014] [0.006] [0.021] [0.006]
Hispanic -0.113*** -0.112*** -0.115*** -0.113*** -0.120*** -0.113*** -0.133*** -0.114***
[0.017] [0.007] [0.019] [0.007] [0.021] [0.007] [0.032] [0.007]
Married 0.044*** 0.054*** 0.049*** 0.054*** 0.050*** 0.054*** 0.054*** 0.054*** [0.006] [0.004] [0.007] [0.004] [0.007] [0.004] [0.008] [0.004]
Lessthan
HighSchool
-0.132***
[0.010]
-0.190*** -0.128*** -0.190*** -0.127*** -0.190*** -0.119*** -0.190***
[0.007] [0.010] [0.007] [0.010] [0.007] [0.012] [0.007]
Some
College
0.072*** 0.090*** 0.073*** 0.090*** 0.070*** 0.090*** 0.065*** 0.090***
[0.007] [0.004] [0.008] [0.004] [0.008] [0.004] [0.010] [0.004]
BAorGrad
degree
0.256*** 0.320*** 0.254*** 0.320*** 0.249*** 0.320*** 0.231*** 0.320***
[0.012] [0.006] [0.013] [0.006] [0.014] [0.006] [0.018] [0.005]
PartTime 0.235 -0.087*** -0.072*** -0.087*** -0.071*** -0.087*** -0.074*** -0.087***
[0.008] [0.004] [0.009] [0.004] [0.009] [0.004] [0.012] [0.004]
Constant 0.044*** 1.820*** 0.039*** 1.820*** 0.041*** 1.819*** 0.047*** 1.817***
[0.010] [0.030] [0.011] [0.030] [0.011] [0.030] [0.013] [0.030]
1.645*** -0.019 1.612*** -0.020* 1.619*** -0.023* 1.616*** -0.026* [0.061] [0.012] [0.064] [0.012] [0.067] [0.012] [0.087] [0.014]
R2 0.235 0.368 0.229 0.368 0.231 0.368 0.222 0.368Sample
Size 23179 96994 20633 96994 18602 96994 12122 96994Notes:Standarderrorsareinbrackets,***p