144In the third place, it is important to note that the Commission’s examination of whether particular measures can be classified as State aid because the public authorities did not act in the same way as a private creditor requires a complex economic assessment (judgments of 22 November 2007 in Spain v Lenzing, C‑525/04 P, ECR, EU:C:2007:698, paragraph 59; in Frucona Košice v Commission, cited in paragraph 21 above, EU:C:2013:32, paragraph 74; and in Commission v Buczek Automotive, cited in paragraph 73 above, EU:C:2013:186, paragraph 48).