This paper makes the case for the systematic appraisal of public sector projects using shadow prices as the signals of social scarcities. In so doing, it attempts to redress the balance between estimating inputs and outputs, central though that task is, and valuing them correctly. The account of...

The crises of both the climate and the biosphere are manifestations of the imbalance between human extractive, and polluting activities and the Earth's regenerative capacity. Planetary boundaries define limits for biophysical systems and processes that regulate the stability and life support...

Large amounts of e-waste are processed "informally" in lower income countries. Such processing releases dangerous pollutants, which increase mortality and reduce cognitive functioning. This paper estimates the social cost of informal e-waste processing in Southern China. This parameter may be...