Using daily data from March 2001 to June 2005, we estimate a VAR-BEKK model and find evidence of return and volatility spillovers between the German, the Dutch and the British forward electricity markets. We apply Hafner and Herwartz [2006, Journal of International Money and Finance 25, 719-740]...

The aim of this paper is to examine portfolio management of emission allowances in the US Sulfur Dioxide Emissions Allowance Trading Program, to determine whether utilities have a real motive to bank when risk increases. We test a theoretical model linking the motivation of the firm to...

Cet article examine la décision optimale de couverture d'une firme faisant face à un double risque prix-quantité. Dans un cadre d'espérance d'utilité, nous montrons que la notion de prudence au sens de Kimball (1990) est essentielle dans la caractérisation de la position optimale de la...