Introduction / Dagmar Schiek, Ulrike Liebert and Hildegard Schneider -- Re-embedding economic and social constitutionalism : normative perspectives for the EU / Dagmar Schiek -- Reconciling market with social Europe? The EU under the Lisbon Treaty / Ulrike Liebert -- Constitutionalism between normative frameworks and the socio-legal frameworks of society / Nicole Lindstrom -- Observations on economic governance and the search for a European economic constitution / Wouter Devroe and Pieter van Cleyenbreugel -- Circular migration : a triple win situation? Wishful thinking or a serious option for a sustainable migration policy? / Hildegard Schneider and Anja Wiesbrock -- European company regulation between economic and social integration / Thomas Biermeyer -- Services of general economic interest under EU law constraints / Ulla Neergaard -- Civic integration of immigrants : a challenge to proportionality and non-discrimination in the common European immigration policy? / Sergio Carrera and Anja Wiesbrock -- Corporate social responsibility : assessing the scope for an EU policy / Sandra Kröger -- Services of general interest provision through the third sector under EU competition law constraints : the example of organising healthcare in England, Wales and the Netherlands / Ida Wendt and Andrea Gideon.