The question is upon whom should the incidence of the cost of adjustment be imposed? Avoiding global warming is a global public good. Standard public finance theory provides clear guidance, both about how to achieve such reductions in the most efficient way, and how the burden should be shared. Clearly, the brunt of the burden (under virtually any welfare criterion) should lay with the advanced industrial countries. Indeed, these standard ideas suggest that even the approach often taken by developing countries—that there should be equal emissions permits per capita—puts an excessive burden on developing countries

Remarks by Martín Guzmán at 12th Edition of the Paris Forum: Key findings and conclusions of the Jubilee Report
Dear members of the Paris Club Secretariat, Thank you for the invitation to present some of the key findings and conclusions of the Jubilee Report, commissioned by Pope Francis and prepared by a Commission of