International Relations and Global Climate Change

Abstract Fighting climate change and COVID, which is currently done at the international level through the use of public goods based on subscriptions, is the case for charitable organisations within states. Such institutions lead to equilibrium situations that are clearly inefficient (not Pareto optimal). They also raise difficult questions of equity between developed, developing and emerging countries: If we want to promote more effective ways of fighting climate change or COVID type epidemics, how can we achieve such important goals at the global level without jeopardising the growth of poorer countries and making them still poorer? We will show that this is actually possible within certain limits. It will…