Recently, an influential academic study and many lawsuits have claimed that the VIX index
has been manipulated since 2008. In this paper, we construct a regression model with …

Buy-write and put-write strategies have been shown to match market returns with lower
volatility, resulting in higher risk-adjusted performance. The strategies benefit from the fact that …

This paper demonstrates that the average investor would be better off by following a readily-implementable
strategy of investing in a portfolio of the five largest active funds in US equity, …

This paper demonstrates that the average investor would be better off by following a readily
implementable strategy of investing in a portfolio of the five largest active funds in US equity, …

Recently an influential academic study and many lawsuits have claimed that the VIX index
has been manipulated since 2008. In this paper, we construct a regression model with …

Over the past few decades, 401(k) plans, IRA accounts, and other self-directed investment
vehicles have become the most important pool of retirement savings, leaving retirees exposed …

In order to have recoverable damages in a Rule 10b-5 action, plaintiffs must establish loss
causation, ie, that the actionable misconduct was the cause of economic losses to the plaintiffs…

The Halliburton case, now before the US Supreme Court, promises to be of fundamental
importance to securities class action litigants. The questions presented in this case are twofold: …

Using the traditional event study approach in the context of securities litigation, the
determination of the" materiality" of a firm disclosure hinges on the statistical significance of the …