In the adjudication of state aid cases in the European Union and in the U.K. (before brexit), economics finds a lot of application. The market economy operator principle (MEOP) is only one area in which economics applies in such cases. This paper discusses how how economics applies in state aid cases beyond MEOP. You will find this paper useful in case you are researching on how economics applies in state aid cases in the E.U. Here is a preview of the paper.