30Whilst the Courts of the European Union recognise that the Commission has a margin of discretion with regard to economic matters, that does not mean that they must refrain from reviewing the Commission’s interpretation of information of an economic nature. Not only must they establish, in particular, whether the evidence relied on is factually accurate, reliable and consistent but also whether that evidence contains all the information which must be taken into account in order to assess a complex situation and whether it is capable of substantiating the conclusions drawn from it (see, in relation to the previous merger regulation, Commission v Tetra Laval, cited in paragraph 27 above, paragraph 39, and Case C-413/03 P Bertelsmann and Sony Corporation of America v Impala [2008] ECR I-4951, paragraph 69).
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