At the beginning of 2004, the Eurosystem implemented several modifications of its operational framework and liquidity management aiming at enhancing market efficiency. The purpose of this article is to study the effects of theses changes in the spread between the Eonia and the minimum bid rate....

High frequency transaction prices exhibit two major cha racteristics: they are discrete in level and only exist at random transaction dates. In this paper, we seek to model transaction price dynamics, taking into account these two features. We specify the transaction price process as a Markov...

Until recently the liquidity of financial assets has typically been viewed as a second-order consideration. Liquidity was frequently associated with simple transaction costs that impose - temporary if any- effect on asset prices, and whose shocks could be easily diversified away. Yet the...

We develop a dynamic model in which traders have differential information about the payoff of the risky asset and trade the risky asset with proportional transaction costs. Firstly, trading volume provides useful information on the asset fundamental value which cannot be inferred from the...

L’IASB poursuit son développement de normes visant à évaluer la quasi-totalité des instruments financiers à leur juste valeur. Le résultat net, le résultat étendu et le « Full Fair Value Income » représentent la performance et le risque des entreprises de manière très différente,...

This article focuses on the volatility of crude oil futures prices on the New York Mercantile Exchange. It aims at examining whether this market creates excess volatility, which would not be observed in the absence of such a market. In order to reach this objective, price fluctuations are...

The study of tail events has become a central preoccupation for academics, investors and policy makers, given the recent financial turmoil. However, what differentiates a crash from a tail event? This article answers this question by taking a risk management perspective that is based on an...