Both chapters 3 and 4 discussed global environmental policy makingin terms that can appeal to rational political actors. Making markets work clearly fits within conventional rational choice models. Making developing economies more sustainable can also be fit to such models depending on how the wealthy world perceives its self-interest: if the focus is on immediate results, the self-interest of the wealthy would likely favor continuing current policies at both national and global levels; if, however, the focus is extended to longer time periods, the self-interest of the wealthy could expand to include considerations of ecological sustainability and inspire far-reaching changes.