How long is the head table? An empirical assessment of concentration in global collective action
It is important, as part of an effort to evaluate impediments and incentives to global collective action, to assess the degree of concentration that characterises key international cooperation fields. In this note, Jean Pisani-Ferry (Bruegel and EUI) and Jan Mazza (Bruegel) provide such an assessment for eight fields corresponding to major channels of interdependence.
Published on 19 July 2019.