Based on the concept that the presence of liquidity frictions can increase the daily traded volume, we develop an extended version of the mixture of distribution hypothesis model (MDH) along the lines of Tauchen and Pitts (1983) to measure the liquidity portion of volume. Our approach relies on...

[eng] New investment management techniques and their impact on volatility . The growth of alternative investment has been considerable in recent years. However, the impact on markets or more precisely, on markets volatility, of the new induced management techniques is still not clear. In this...

High frequency transaction prices exhibit two major characteristics: 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...

[fre] Cet article analyse les facteurs expliquant le niveau des taux à long terme américain et européen entre 1986 et 2005. La sélection des déterminants structurels des taux à long terme, séparément pour les cas américain et européen dans un cadre univarié ne rend pas compte de...

The goal of this paper is to develop a test for the relative importance of the time-varying term premium and the peso-problem for rejection of the Expectation Hypothesis of the Term Structure (EHTS). Our reasoning is based on a term structure model that allows for both phenomena simultaneously....

The recent macro-finance literature does not agree either about the empirical properties of the expectation part and of the term premium on long-term bonds or about the importance or even the direction of the relationship between the term premium and future economic activity. This paper proposes...