[1] Univ Hamburg, Law & Econ Legal Theory Publ Int Law & Europe Law, Hamburg, Germany
[2] Univ Hamburg, Inst Law & Econ, Hamburg, Germany
[3] Peterson Inst Int Econ, 1750 Massachusetts Ave NW, Washington, DC 20036 USA
[4] Univ Edinburgh, Law, Edinburgh, Midlothian, Scotland
[5] Univ Edinburgh, Int Law & Global Governance, Edinburgh, Midlothian, Scotland
[6] Univ Edinburgh, Edinburgh Ctr Int & Global Law, Edinburgh, Midlothian, Scotland