Many areas of the natural and social sciences involve complex systems that link together multiple sectors. Integrated assessment models (IAMs) are approaches that integrate knowledge from two or more domains into a single framework, and these are particularly important for climate change. One of...

Analyzing the universe of federal environmental regulations in the U.S., we construct a measure of regulations--direct taxes on pollution. Analyzing the universe of firms' investor disclosures, we construct a measure of material environmental concerns--indirect taxes on pollution. These two...

This paper discusses the likely evolution of the trade and environment issue in the World Trade Organization after the upcoming ministerial meeting in Singapore this December. It makes a number of points. Progress within the GATT/WTO on this issue looks likely to be slow and painfully...

By reducing the costs of environmental protection, technological change is important for promoting green growth. This entails both the creation of new technologies and more widespread deployment of existing green technologies. This paper reviews the literature on environmentally friendly...

The purpose of this paper is to introduce the concept of power density [Watts/m²] into economics. By introducing an explicit spatial structure into a simple general equilibrium model we are able to show how the power density of available energy resources determines the extent of energy...

Green growth is about making growth resource-efficient, cleaner and more resilient without slowing it. This paper aims at clarifying this in an analytical framework and proposing foundations for green growth. This framework identifies channels through which green policies can potentially...

Investing according to environmental, social, and governance (ESG) criteria is gaining momentum. Most environmental performance indices focus only on the tonnage of carbon dioxide (CO₂) emissions. This paper proposes an index covering eight pollutants expressed in monetary damage. Inclusion of...