We document pervasive informed trading activity in equity options before M&A announcements. About 25% of takeovers have positive abnormal volumes. These volume patterns indicate that informed traders are likely using bullish directional strategies for the target and volatility strategies for the...

Pre-bid target share price movements are potentially increasing the cost of takeovers and thus are seen as a detriment for the efficiency of the market for corporate control. This pa-per investigates the relationship of pre-bid stock price movements, takeover regulation and offer premium and...

Stock market makers are afraid that informed insiders will take advantage of them in trade. To protect themselves, they may increase the bid-offer spread to include a fee for the adverse selection risk . If set correctly, market makers will share in profits from others trading on private...

This paper studies the interplay between environmental performance and financial valuation of firms in Latin America and the Caribbean. We provide insights into how environmental considerations are integrated into financial decision-making and investor behavior by analyzing the stock market...

We propose the visual attention hypothesis, that visuals in firm earnings announcements increase attention to the earnings news. We find that visuals in firm Twitter earnings announcements are associated with more retweets, consistent with greater follower engagement with announcements with...

Understanding the impact of climate mitigation policies is key to designing effective carbon pricing tools. We use institutional features of the EU Emissions Trading System (ETS) and high-frequency data on more than 2,000 publicly listed European firms over 2011-21 to study the impact of carbon...

This paper studies the interplay between environmental performance and financial valuation of firms in Latin America and the Caribbean. We provide insights into how environmental considerations are integrated into financial decision-making and investor behavior by analyzing the stock market...

This paper offers new evidence on informed trading around merger and acquisition announcements from the UK equity and options market. The analysis suggests that in about 25%-33% of events there is abnormal option trading volume during the month that precedes the announcement. Such evidence is...

This study investigates whether the voluntary disclosure of management earnings forecasts influences investors' assessment of firm risk and firm value. We find a significant negative relationship between the issuance of management earnings forecasts and a variety of measures of firm risk...

This paper examines changes in acquirer and target companies' Credit Default Swap (CDS) spreads as a proxy for default risk around official mergers and acquisitions (M&A) announce-ments. Related literature extensively documents wealth effects triggered by M&A from the shareholders' perspective,...