This document discusses the need for ethics in finance and contrasts purely economic theories with ethical economy theories. It makes the following key points:
1) Purely economic theories assume self-interest alone leads to optimal outcomes without ethics, but ethical economy theories argue ethics are also needed for optimal markets.
2) Purely economic theories assume information asymmetries and divergences between self/corporate interests can be overcome by incentives, but ethical economy sees these as serious problems.
3) As market size increases, purely economic theories assume problems diminish due to competition, but ethical economy argues problems may actually grow without transparency and regional roots.
4) Commercialization and shareholder value have replaced banking traditions and norms,