This paper introduces the “Ukraine Support Tracker”, which lists and quantifies military, financial and humanitarian aid to Ukraine since Russia’s invasion on February 24, 2022. We measure support from Western governments, namely by G7 and European Union member countries. Due to our focus...

This paper experimentally explores how the enforcement of cooperative behavior in a social dilemma is facilitated through institutional as well as emotional mechanisms. Recent studies emphasize the importance of negatively valued emotions, such as anger, which motivate individuals to punish free...