This study investigates how elements of a survey invitation message targeted to businesses influence their participation in a self-administered web survey. We implement a full factorial experiment varying five key components of the email invitation. Unlike traditional experimental setups with...

Seit der russischen Vollinvasion der Ukraine am 24. Februar 2022 lässt sich eine Versicherheitlichung des auswärtigen Handelns der Europäischen Union (EU) beobachten. Institutionell betrachtet wird die Gemeinsame Außen- und Sicherheitspolitik (GASP) zunehmend von der Gemeinsamen Sicherheits-...

Since Russia's full-scale invasion of Ukraine on 24 February 2022, a process of securitisation of the European Union's (EU) external action can be observed. From an institutional perspective, the Common Foreign and Security Policy (CFSP) increasingly overlaps with the Common Security and Defence...