How long is the head table? An empirical assessment of concentration in global collective action
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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.