Firms have increasingly used social media such as Twitter to disseminate corporate disclosures, particularly since the regulation of these platforms by the Securities and Exchange Commission (SEC) in 2013. However, research on social media dissemination is still limited. Even though a few...

Are pandemics systemically important to modern-day financial markets? This study uses the COVID-19 pandemic as a natural experiment for testing how large-scale pandemics affect the financial markets. Using hand-collected data at the firm level, I find that managers systematically underestimated...

We explore how disclosure requirements that regulate the release of new information may affect the dynamics of financial markets. Our analysis is based on three agentbased financial market models that are able to produce realistic financial market dynamics. We discover that the average deviation...

We study a model where some investors ("hedgers") are bad at information processing, while others ("speculators") have superior information-processing ability and trade purely to exploit it. The disclosure of financial information induces a trade externality: if speculators refrain from trading,...

The aim of this paper is to examine what has been the role of information provision to the market throughout the crisis. We consider two main sources of information to the market, financial statements and information provided by credit rating agencies. We examine how these sources of information...