2008 Société Générale trading loss taken massive fraudulent directional positions in 2007 and 2008 far beyond his limited authority" and that the trades involved European stock index futures. Though bank officials say Kerviel apparently worked alone, skeptics question how unauthorized trading of this magnitude could go unnoticed. Kerviel's unassuming background and position have heightened the skepticism that he worked alone. Some analysts suggest that unauthorized trading of this scale may have gone unnoticed initially due to the high volume in low-risk trades normally conducted by his department. The bank said that whenever the fake trades were questioned, Kerviel would describe it as a mistake then
European Union Emission Trading Scheme euros in another cross-border fraud in 2008 and 2009. In 2009 Europol informed that 90% market volume of emissions traded in some countries could be result of tax fraud, more specifically missing trader fraud, costing governments more than 5 billion euros. German prosecutors confirmed in March 2011 that value-added-tax fraud in the trade of carbon-dioxide emissions has deprived the German state of about €850 million ($1.19 billion). In December 2011 a German court sentenced six people to jail terms of between three years and seven years and 10 months in a trial involving evasion of taxes on carbon permits. A