Most developed economies invest in public goods such as national defense, education, infrastructure, and the environment. Expenditures on public projects entail a diversion of funds away from investments in private capital. Discount rates used to evaluate such projects should reflect the rate of...

Input-output (I-O) analysis represents the flows of goods and services within the market. Environmentally-extended I-O (EEIO) models include flows of both pollution and consumption of resources and energy. The present paper proposes a conceptual structure for EEIO accounts that builds on the...

The United States' experimentation with emissions trading in the 1990s was an important first step in controlling air pollution while maximizing benefits from emissions that do occur. However, trading programs to date suffer a serious flaw: they treat all traded emissions of equal volume the...

Much of the air pollution currently regulated under U.S. emissions trading programs is non-uniformly mixed, meaning that health and environmental damages depend on the location and dispersion characteristics of the sources. Existing policy regimes ignore this fact. Emissions are penalized at a...