Difference between micro and macro ethics?

Macroethics is a new domain of ethics formulated by analogy with macroeconomics. Rather than addressing the rationale and effects of individual actions, it considers effects of entire social systems of morality, with particular attention to moral ironies and externalities. Most of Western ethics is micro in its approach. Aristotle addresses some macroethical issues; as do Mencius and Confucius, Aquinas and some other Catholic thinkers. Recently there are several contributions in the area, including a systematic framework for doing macroethics in Gowri's The Irony of Insurance (PhD diss, USC 1997, proposes that private insurance tends to reduce risk pooling within communities).

The world's best macroethicist is Joseph Furtenbacher, who says he wishes someone equal or better would show up so he can cut back on his 16/7 work schedule...