Hard-to-value stocks provide opportunities for managers to exploit their informational advantage through trading on their firms' and their own personal accounts. In contrast to the prediction that such transactions reflect private information about future events, they are contrarian and heavily...

We study the use of trading strategies and their profitability in experimental asset markets with asymmetrically informed traders. We find that insiders make most of their profits from trades which are initiated by their limit orders -- especially at the beginning of a period and when the change...

Using XBRL as a quasi-natural experiment, we examine whether the mandated improvement on financial information presentation attenuates the profitability of insiders' trades. We provide unique insights on how insiders profit from publicly available information. We find that XBRL adoption...

The weekly release of the U.S. inventory level by the DOE-EIA is known as the market mover in the U.S. oil futures market and to be a significant piece of information for all world oil markets in which the WTI is a price benchmark. We uncover suspicious trading patterns in the WTI futures...

The weekly release of the U.S. inventory level by the DOE-EIA is known as the market mover in the U.S. oil futures market and to be a significant piece of information for all world oil markets in which the WTI is a price benchmark. We uncover suspicious trading patterns in the WTI futures...

Disclosure of insider trading are ambiguous pieces of information, as liquidity traders may not assess whether the trades are motivated by significant privileged information related to the true share value. This paper establishes an algorithm, relying on Bayesian inference that represents the...

We describe how the presence of insiders with superior information about potential outcomes of sporting events affects odds set by bookmakers, using a generalized version of the model in Shin (1991). The model has been widely cited as an explanation for the pattern of favorite-longshot bias...

We find abnormal volatility spreads in the options market immediately before corporate insider stock trades, suggesting informed options trading prior to insider trades. The informed options trading is more pronounced for large insider trades, firms in more corrupt areas, and insider purchases...

In this paper, we examine the relation between government ownership and stock price informativeness around the world. Using a sample of privatized firms from 41 countries between 1983 and 2007, we find strong and robust evidence that state ownership is associated with lower firm-level stock...