Insider trading in Australia: Contrarianism and future performance

Aggregate Insider Trading and Future Stock Returns – International Evidence

In this study, I investigate the informativeness of aggregate equity purchases and sales by senior corporate officers and directors in a sample of 39 countries. I find that countrylevel insider trading signals are associated with future country-level market returns, controlling for other contemporaneous signals such as country-level earnings guidance and analysts’ forecasts, and risk factors su...

Insider Trading and Innovation

This paper assesses whether the enforcement of insider trading laws increases or decreases patent-based measures of technological innovation. Based on about 75,000 industry-countryyear observations across 94 economies from 1976 to 2006, we find evidence consistent with the view that enforcing insider trading laws spurs innovation—as measured by patent intensity, scope, impact, generality, and o...

Herding, Contrarianism and Delay in Financial Market Trading

Herding and contrarian behavior are often-cited features of real-world financial markets. Theoretical models of continuous trading that study herding and contrarianism, however, usually do not allow traders to choose when to trade or to trade more than once. We present a large-scale experiment to explore these features within a tightly controlled laboratory environment. Herding and contrarianis...

Prioritizing Enforcement in Insider Trading

Insider trading in credit derivatives

Insider trading in the credit derivatives market has become a significant concern for regulators and participants. This paper attempts to quantify the problem. Using news reflected in the stock market as a benchmark for public information, we find significant incremental information revelation in the credit default swap market under circumstances consistent with the use of non-public informatio...