Opinion dynamics is an opinion evolution process of a group of agents, where the final
opinion distribution tends to three stable states: consensus, polarization, and fragmentation …

We survey the textual sentiment literature, comparing and contrasting the various
information sources, content analysis methods, and empirical models that have been used …

We analyze the relationship between sentiment generated by coronavirus-related news and
volatility of equity markets. The ongoing coronavirus outbreak (COVID-19) resulted in …

This paper addresses the concern that financial statements have lost a significant portion of
their relevance to investors. 1 This concern and its implications for financial accountants …

This study examines whether user-generated content (UGC) is related to stock market
performance, which metric of UGC has the strongest relationship, and what the dynamics of …

Using a comprehensive database of headlines about individual companies, I examine
monthly returns following public news. I compare them to stocks with similar returns, but no …

OPTIMAL penalties for corporate fraud require that firms face expected penalties equal to
the total social costs of the crime. Yet formal courtimposed sanctions for committing fraud …

This paper provides a detailed characterization of the volatility in the deutsche mark–dollar
foreign exchange market using an annual sample of five‐minute returns. The approach …

We study information demand and supply at the firm and market level using data for 30 of
the largest stocks traded on NYSE and NASDAQ. Demand is approximated in a novel …

Purpose This study aims to support and extend signalling theory because of information
asymmetry. This study also aims to answer the call to further negative signalling and explore …