- Coherence in European Union external policy before and after the Lisbon Treaty: the cases of energy security and climate change
- Explaining the evolution of European Union foreign climate policy: A case of bounded adaptiveness
- The Rise of Energy to the Top of the EU-Russia Agenda: From Interdependence to Dependence?
- European Foreign Policies: Does Europe Still Matter?
- The EU's two-track approach to democracy promotion: the case of Ukraine