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...

This article focuses on the impact of derivative markets on the American crude oil market. It first analyses the depth and liquidity of the market, and shows that there is a huge increase in activity from 1989 to 2003. Then the study focuses on prices volatility. The latter is separated into two...

This article focuses on the impact of derivative markets on the American crude oil market. It first analyses the depth and liquidity of the market, and shows that there is a huge increase in activity from 1989 to 2003. Then the study focuses on prices volatility. The latter is separated into two...

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...

This article proposes an empirical study of the Samuelson effect in electricity markets. Our motivations are twofold. First, although the literature largely assesses the decreasing pattern in the volatilities along the price curve in commodity markets, it has not extensively tested the presence...