When environmental externalities are international - i.e. transfrontier - they most often are multilateral and embody public good characteristics. Improving upon inefficient laissez-faire equilibria requires voluntary cooperation for which the game-theoretic core concept provides optimal...

Introductory notions -- The reference economic-ecological model -- Economic theory concepts -- Game theory concepts -- The global externality game (GEG) -- The dynamic GEG -- The dynamic GEG in numbers -- Coalitional stability in the GEG -- Policy and diplomacy: a GEG interpretation of the...