Yet another piece of evidence: Political advertising campaigns have only a negligible impact, if any, on their audience. All else equal, the small effects of political campaign advertising on public opinion seem to be an established and robust finding.. Consistent with #PoliticalAdvertising #CampaignEffects #PublicOpinion #Therearenospecificcountriesmentionedinthetweet.Therefore #therearenocountrycodestoreturn.
