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PublicDisclosureAuthorizedPolicyResearchWorkingPaper10656PublicDisclosureAuthorizedCorrectingSamplingandNonresponseBiasinPhoneSurveyPovertyEstimationUsingPublicDisclosureAuthorizedReweightingandPovertyProjectionModelsKexinZhangShinyaTakamatsuNobuoYoshidaPublicDisclosureAuthorizedPovertyandEquityGlobalPracticeDecember2023PolicyResearchWorkingPaper10656Abstractwereadjustedtocorrectthesamplingandnonresponsebias.ThispaperexamineswhetherreweightingproceduresandTomonitortheevolutionofhouseholdlivingconditionstheSurveyofWellbeingviaInstantandFrequentTrackingduringtheCOVID-19pandemic,theWorldBankcon-methodologycaneliminatethebiasinpovertyestimationductedCOVID-19High-FrequencyPhoneSurveysinbasedontheCOVID-19High-FrequencyPhoneSurveys.around80countries.PhonesurveysarecheapandeasytoExperimentsusingartificialphonesurveysamplesshowimplement,buttheyhavesomemajorlimitations,suchasthat(i)reweightingprocedurescannotfullyeliminatetheabsenceofpovertydata,samplingbiasduetoincompletebiasinpovertyestimates,aspreviousresearchhasdemon-telephonecoverageinmanydevelopingcountries,andfre-strated,but(ii)whencombinedwithSurveyofWellbeingquentnonresponsestophoneinterviews.ToovercometheseviaInstantandFrequentTrackingpovertyprojections,theylimitations,theWorldBankconductedpilotsin20coun-effectivelyeliminatebiasinpovertyestimatesandothertries...