As for developing countries, while they would not have explicit credits or targets until they graduate to advanced-country status, they would know that at some point (say, when their carbon emissions reach the average level of advanced countries) they would be included in the global system of restrictions.
Die Eindämmung wäre effizienter und die gleichen Ausgaben der Industrieländer würden zu einer verstärkten Reduktion der globalen Emissionen führen.