The paper lays out basic design options for infrastructure policy. It first sketches mechanisms to asses demand. Then it sets out a hierarchy of issues starting with choice of market structure followed by conduct regulation. Ownership options are largely a function of market structure choices....

Social impact investors, philanthropists, or corporations pursuing social responsibility try to demonstrate that they are indeed"doing good."This essay classifies the various types of measures that currently exist to capture social and environmental impact in a simple scheme. It argues that...