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dc.contributor.authorBrans, Heleen
dc.contributor.authorScholtens, Bert
dc.identifier.citationBrans , H & Scholtens , B 2020 , ' Under his thumb the effect of president Donald Trump’s Twitter messages on the US stock market ' , PLoS ONE , vol. 15 , no. 3 , e0229931 .
dc.identifier.otherPURE: 266884620
dc.identifier.otherPURE UUID: 948d322f-1d22-4306-aeb4-0257a99c9841
dc.identifier.otherRIS: urn:8C91AF8FEB65B48BBF58D2CAED0C4348
dc.identifier.otherORCID: /0000-0001-5774-5191/work/70619045
dc.identifier.otherScopus: 85081136165
dc.identifier.otherWOS: 000535284700049
dc.description.abstractDoes president Trump’s use of Twitter affect financial markets? The president frequently mentions companies in his tweets and, as such, tries to gain leverage over their behavior. We analyze the effect of president Trump’s Twitter messages that specifically mention a company name on its stock market returns. We find that tweets from the president which reveal strong negative sentiment are followed by reduced market value of the company mentioned, whereas supportive tweets do not render a significant effect. Our methodology does not allow us to conclude about the exact mechanism behind these findings and can only be used to investigate short-term effects.
dc.relation.ispartofPLoS ONEen
dc.rightsCopyright © 2020 Brans, Scholtens.This is an open access article distributed unde rthe terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.en
dc.subjectHB Economic Theoryen
dc.subjectHD61 Risk Managementen
dc.subjectHF Commerceen
dc.titleUnder his thumb the effect of president Donald Trump’s Twitter messages on the US stock marketen
dc.typeJournal articleen
dc.description.versionPublisher PDFen
dc.contributor.institutionUniversity of St Andrews. School of Managementen
dc.contributor.institutionUniversity of St Andrews. Centre for Responsible Banking and Financeen
dc.description.statusPeer revieweden

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