This article examines how the introduction of an ETF replicating a stock index impacts on the liquidity of the underlying stocks when the ETF market involves liquidity providers (LPs). We find that index stock spreads decline, relative to those of non-index stocks, after the introduction of the...

This article advocates a systematic rebalancing process –Volatility-Driven Asset Allocation or VDAA – for dynamically managing the strategic asset allocation. The goal of the suggested algorithm is to adjust the asset exposures so as to reflect the assumptions investors used when determining...

Motivated by an optimal investment problem under time horizon uncertainty and when default may occur, we study a general structure for an incomplete semimartingale model extending the classical terminal wealth utility maximization problem. This modelling leads to the formulation of a wealth-path...

This paper empirically tests the determinants of derivatives use using a sample of French nonfinancial firms- a relatively under investigated area in the risk management literature. It shows that several factors related to maximizing the firm's value significantly affect the decision to use...

The last five years have witnessed a great momentum in the research into measures of financial risk. After many years of ad-hoc and non-consistent measures, now the problem is finally well formulated and some useful and very user-friendly solutions have been proposed. These new measures of risk...

We define the class of local Lévy processes. These are Lévy processes time changed by an inhomogeneous local speed function. The local speed function is a deterministic function of time and the level of the process itself. We show how to reverse engineer the local speed function from traded...

The goal of the paper is to analyse the various issues attached to the valuation of weather derivatives. We focus our study on temperature-related contracts since they are the most widely traded at this point and try to address the following questions: (i) should the quantity underlying the...

Réflexion sur le rôle des hedge funds et du private equity et sur la problématique posée par le développement de ces nouvelles formes organisationnelles.

Acteurs incontournables des marchés financiers, les hedge funds demeurent mal connus. Qui sont-ils ? Quelles sont leur techniques de gestion ? Qu'offrent-ils de différent en termes de performance et de risque ?