We model the seasonal volatility of stock returns using GARCH specifications and size-sorted portfolios. Estimation results indicate that there are volatility differences between months of the year and that these seasonal volatility patterns are conditional on firm size. Additionally, we find...

This chapter assesses the behavior of corporate managers and boards of directors within the framework of agency theory, stewardship theory, and psychological biases. In agency theory, a chief executive officer (CEO) is motivated to act in his or her own best interests rather than those of...

We examine the relation between testosterone, cortisol, and financial decisions in a sample of naïve investors. We find that testosterone level is positively related to excess risk-taking, whereas cortisol level is negatively related to excess risk-taking (correlation coefficient [r]: 0.75 and...

Institutional investors appear to have selective preferences regarding corporate social responsibility. They appear indifferent to the presence of positive environmental (E) and social (S) indicators, but underweight stocks with negative ES indicators. This asymmetric pattern is particularly...

Proponents claim that economically targeted investments (ETIs) can earn a prevailing risk-adjusted rate of return while also providing an additional economic benefit to the plan participants. This paper discusses the fallacies in the reasoning behind ETIs. In short, the structure that would make...

Social media has reshaped business models, economies, politics, and culture around the world. In this paper, we identified social media stocks from various sectors by using a strict, academic definition and then studied their performance and return characteristics. Multivariate regression...

We examine whether the stronger information content of Chief Financial Officer (CFO) insider trading relative to that of Chief Executive Officers (CEOs) results from a different willingness to exploit the information asymmetry that exists between executives and outside shareholders (scrutiny...

We estimate positive and significant wealth transfers from individuals to institutions following a share repurchase. It appears that institutional investors are informed shareholders that use share repurchases as an opportunity to magnify the effect of their informational advantage over...

In this paper, we examine the relationship between sleep and financial risk taking. The results indicate that individuals who have better sleep display less distortion of probability, are less susceptible to the present bias, and have a lower discounting rate. Specifically, individuals with...