1. Adam S, Van Elsuwege P (2012) Citizenship rights and the federal balance between the European Union and its Member States: comment on Dereci. Eur Law Rev 37(2):176–190
2. Boeshertz D, Frederick B (2008) The notion of economic advantage in the context of reforms to pension schemes. Comp Policy Newsletter 1:31–35
3. Coppi L (2011) The reform of state aid rules and SGEI—an economic perspective on compensation. In: The reform of state aid rules on SGEI: from the 2005 Monti-Kroes Package to the 2011 Almunia reform conference, Bruges, 30 Sept 2011
4. De Vries SA (2011) BUPA; a healthy case, in the light of a changing constitutional setting in Europe? In: van de Gronden JW, Szyszczak E, Neergaard U, Krajewski M (eds) Health care and EU law. TMC Asser Press, The Hague
5. Fiedziuk N (2010) Towards a more defined economic approach to services of general interest. Eur Public Law 16:280