On top of this there must be a causal link between the dumped imports and the material damage to community businesses in order to distinguish the negative effects of dumping and factors other than dumped imports that might have caused injury such as contraction in demand or changes in the patterns of consumption 除此之外，尚必须在倾销进口与造成共同体产业严重损害间有因果关系存在，以便能区别倾销的负面效果与其他的因素，例如：需求下降、消费习惯的改变均有可能造成损害。
