Browsing by Author "Alves, Joana Beatriz Pinto"
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- A influência dos tweets de Elon Musk no retorno das ações da Tesla: um estudo de eventosPublication . Alves, Joana Beatriz Pinto; Cunha, António Manuel Pereira RodriguesTechnological progress in recent decades has brought a new reality and changed the way people contact each other. That revolution was essentially marked by the introduction and subsequent affirmation of social networks, which spread among the population like a pandemic. These initially took on a strictly personal character. However, they quickly began to be seen as a professional channel. Among the numerous advantages for the entities, the ease with which any information is dispersed worldwide stands out. It is therefore a tool that has quickly established itself in the business world, especially among the most visible CEOs. The notoriety of this medium of information communication has led to several questions being raised regarding the influence of interactions on stock prices. Often, this hypothesis is raised about Elon Musk, CEO of Tesla, for his influence on the medium and the way he interacts on the social network Twitter. Using the Events Study methodology, it was feasible to ascertain its impact.It was not possible to reject the hypothesis that Elon Musk's tweets had no impact on Tesla stock price returns.