In this paper, we examine stock exchange trading rules for market manipulation, insider trading, and broker-agency conflict, across countries and over time, in 42 stock exchanges around the world. Some stock exchanges have extremely detailed rules that explicitly prohibit specific manipulative...

The development of the Brazilian stock market has raised concerns about the practice of insider information, with several cases being documented in recent years. We hypothesize that insider trading is a form of corruption. As such, the higher the corruption level in a country, the more intense...

We examine the private information associated with insider trades using a Chinese data set. Insider buys positively forecast individual stock returns and insider sales negatively forecast individual stock returns. Classifying insiders as corporate managers and institutional investors, we find...

We examine the effectiveness of corporate governance in monitoring private in-house meetings between management and investors. Consistent with better corporate governance curbing the opportunistic corporate disclosure and insider trading behavior, we find a negative association between...

The short-swing profit rule is a federal statute that requires insiders to forfeit any trading profit earned from a combined purchase and sale that occurs within a six-month period. Using a multi-period strategic rational expectations equilibrium framework, I demonstrate that the rule tends to...

We examine the impact of CDS trading and the lifting of short sales restrictions on the profitability of reported insider trades within US financial firms. We find evidence that executive directors possess significant insider knowledge about their firm's risk prior to the initiation of CDS...

Massa et al. (2015) show that corporate insiders become more opportunistic by selling more and faster in competition with short sellers. By considering the possibility that short sellers may react to insider trading, we propose a new hypothesis that short sellers play a disciplinary role in...

Insider trading laws are designed to ensure a level-playing field and trust in financial markets at the expense of less efficient markets. This paper argues that insider trading laws fail to ensure a level-playing field and instead facilitate fraud and undermine trust and fairness. We use a...

While it is widely acknowledged that companies face increasing cybersecurity risk stemming from hackers stealing customer information, a relatively unknown cybersecurity risk is from information leakage and subsequent trading by digital insiders – hackers who target corporations to obtain...

We explore similarities in insider trading as a proxy for information flows. We observe that corporate insiders cluster trades around those of other insiders at their firm, especially around trades of insiders with whom they work closely. Clustering is greater when informational advantages are...