The Fama and French (F&F) factors do not reliably estimate the size and book-to-market effects. Our paper shows that the former has been underestimated in the US market while the latter overestimated. We do so by replacing F&F's independent rankings by the conditional ones introduced by Lambert...

This paper studies the joint impact of smoothing and fat tails on the risk-return properties of hedge fund strategies. First, we adjust risk and performance measures for illiquidity and the non-Gaussian distribution of hedge funds returns. We use two risk metrics: the Modified Value-at-Risk and...

Portfolio managers claim to be able to generate abnormal returns through either superior asset selection or market timing. The Treynor and Mazuy (TM) model is the mostly used return-based approach to isolate market timing skills, but all existing corrections of the regression intercept can be...

This paper proposes a methodology to analyze the implications of the Advanced Measurement Approach (AMA) for the assessment of operational risk put forward by the Basel II Accord. The methodology relies on an integrated procedure for the construction of the distribution of aggregate losses,...

"Portfolio performance measures are a key factor in the investment decision, enabling investors to gauge how effectively their money is being managed, covering the level of risk as well as the level of return. Effective and accurate portfolio performance measurement is a fundamental requirement...