Eugénia da Conceição-Heldt is Professor of International Politics at the Technische Universität Dresden, Germany.Sophie Meunier is Research Scholar and Co-Director of the European Union Program at Princeton University, New Jersey, USA.

• 1. Speaking with a single voice: internal cohesiveness and external effectiveness of the EU in global governance 2. When speaking with a single voice isn’t enough: bargaining power (a)symmetry and EU external effectiveness in global trade governance 3. Divide and conquer? China and the cacophony of foreign investment rules in the EU 4. EU actorness, cohesiveness and effectiveness in environmental affairs 5. One voice, one message, but conflicting goals: cohesiveness and consistency in the European Neighbourhood Policy 6. The European Union in the United Nations: an effective external actor? 7. Beyond ‘one voice’? Global Europe’s engagement with its own diversity

Eugénia da Conceição-Heldt is Professor of International Politics at the Technische Universität Dresden, Germany.Sophie Meunier is Research Scholar and Co-Director of the European Union Program at Princeton University, New Jersey, USA.

• 1. Speaking with a single voice: internal cohesiveness and external effectiveness of the EU in global governance 2. When speaking with a single voice isn’t enough: bargaining power (a)symmetry and EU external effectiveness in global trade governance 3. Divide and conquer? China and the cacophony of foreign investment rules in the EU 4. EU actorness, cohesiveness and effectiveness in environmental affairs 5. One voice, one message, but conflicting goals: cohesiveness and consistency in the European Neighbourhood Policy 6. The European Union in the United Nations: an effective external actor? 7. Beyond ‘one voice’? Global Europe’s engagement with its own diversity

Eugénia da Conceição-Heldt is Professor of International Politics at the Technische Universität Dresden, Germany.Sophie Meunier is Research Scholar and Co-Director of the European Union Program at Princeton University, New Jersey, USA.

• 1. Speaking with a single voice: internal cohesiveness and external effectiveness of the EU in global governance 2. When speaking with a single voice isn’t enough: bargaining power (a)symmetry and EU external effectiveness in global trade governance 3. Divide and conquer? China and the cacophony of foreign investment rules in the EU 4. EU actorness, cohesiveness and effectiveness in environmental affairs 5. One voice, one message, but conflicting goals: cohesiveness and consistency in the European Neighbourhood Policy 6. The European Union in the United Nations: an effective external actor? 7. Beyond ‘one voice’? Global Europe’s engagement with its own diversity