This article analyses the principles applied by the European Commission in the state aid case Ciudad de la Luz. We first review how Market Economy Investor Principle (MEIP) has been applied in concrete state aid cases. We then briefly describe the market for large studios as well as the facts...

Many economists and policy analysts seem to believe that loyalty-rewarding pricing schemes, like frequent flyer programs, tend to reinforce firms' market power and hence are detrimental to consumer welfare. The existing academic literature has supported this view to some extent. In contrast, we...