The prevailing view of implied volatility comovements, IVC, defined as the correlation between a firm's implied volatility and the market's implied volatility, is that they indicate the presence of systematic volatility risk to the firm's investors. We take a different stance and conjecture that...

We examine intra-day market reactions to news in stock-specific sentiment disclosures. Using pre-processed data from an automated news analytics tool based on linguistic pattern recognition we extract information on the relevance as well as the direction of company-specific news....

We examine intra-day market reactions to news in stock-specific sentiment disclosures. Using pre-processed data from an automated news analytics tool based on linguistic pattern recognition we extract information on the relevance as well as the direction of company-specific news....

Using China's stock market as the testing venue, this study examines how corporate transparency helps explain the sensitivity of stock prices to general investor sentiment. We find that firms with low corporate transparency, measured by a battery of proxies including state ownership, the...

Most international stock exchanges distinguish solely between domestic and foreign issuers, whereas in Germany, issuers can choose between two market segments with diverse transparency levels: the Prime Standard and Non-Prime Standard segment. Transparency requirements for the Non-Prime Standard...

This paper analyzes why corporate governance matters for stock returns if the stock market prices the underlying managerial agency problem correctly. Our theory assumes that strict corporate governance prevents managers from diverting cash flows, but reduces incentives for managerial effort. In...

This paper proposes a theoretical model that incorporates corporate governance into the basic CAPM, where corporate governance affects the disutility of managerial effort and the possibility of managers to divert company resources. It shows that corporate governance affects firms’ stock...

This paper exploits a novel hand-collected dataset to provide a comprehensive analysis of the social relationships that underlie illegal insider trading networks. I find that inside information flows through strong social ties based on family, friends, and geographic proximity. On average,...

This paper exploits hand-collected data on illegal insider trades to provide new evidence of the ability of standard measures of illiquidity to detect informed trading. Controlling for unobserved cross-sectional and time-series variation, sampling bias, and strategic timing of insider trades, I...