269According to consistent case-law, for the assessment of the amount of the fine, factors going to intent may be more important than those relating to the effects of an anti-competitive practice, especially in the case of inherently serious infringements, such as those concerning price fixing (see, to that effect, C-194/99 PThyssen Stahl v Commission [2003] ECR I-10821, paragraph 118; Prym and Prym Consumer v Commission, paragraph 215 above, paragraph 96; and judgment of 12 November 2009 in Case C-554/08 PCarbone-Lorraine v Commission, not published in the ECR, paragraph 44).