We examine the long-term relationship between signals derived from nine years of unstructured social media microblog text data and financial market developments in five major economic regions. Employing statistical language modeling techniques we construct directional sentiment metrics and link...

With a sample of ninety events (announcement and ex-date) using the event study methodology with the market model, we provide evidence for the impacts of the corporate announcements on stock returns during the pandemic stress. We find that all the corporate announcements do not impact the stock...

This paper examines the impact of COVID-19 information attention on stock market return. We use Google search volume index to proxy investor information attention in respect to case, death, lockdown and vaccine. We uncover that information attention towards lockdown and vaccine positively...

COVID-19 has had an immense impact on global stock markets, with no sector escaping its effects. Investor attention toward COVID-19 surged as the virus spread and its consequences imposed on everyday life. Using Google search volume (GSV) as a proxy for investor attention, our results show that...

This study investigates whether contagious infectious diseases affect stock market outcomes. As a natural experiment, we use panel data analysis to test the effect of the COVID-19 virus, which is a contagious infectious disease, on the Chinese stock market. The findings indicate that both the...

This paper studies how the COVID-19 shock affects the CDS spread changes and abnormal stock returns of U.S. firms with different levels of debt rollover risk. We use the COVID-19 crisis as a quasi-natural experiment of adverse cash flow shock that increases the default risk of firms facing an...

We examine how monetary policy of the Federal Reserve System, COVID-19 mortality cases, and vaccinations are associated with the US stock market volatility during the pandemic period. Using the wavelet coherence analysis, we first find that there is a positive relationship between the volatility...

The Covid-19 crisis put pressure on governments to design immediate support packages for alleviating the negative economic consequences for households and businesses. In this paper, we examine the stock market's reactions to the announcements of each of the four support packages designed by the...