Causalmediationanalysis
RaymondHicks,NiehausCenterforGlobalizationandGovernance
PrincetonUniversity,Princeton,NJ,rhicks
princeton.eduDustinTingley,DepartmentofGovernment,HarvardUniversity
Cambridge,MA,dtingley
gov.harvard.eduAbstract.Estimatingthemechanismsthatconnectexplanatoryvariableswiththeexplainedvariable,alsoknownas“mediationanalysis,”iscentraltoavarietyofsocial-sciencefields,especiallypsychology,andincreasinglytofieldslikeepidemiology.Recentworkonthestatisticalmethodologybehindmediationanalysispointstolimitationsinearliermethods.WeimplementinStata