The principal computerized model used in this project (the SEAS/ RFF system) is a series of interdependent models developed for assessing future economic, resource, and environmental consequences for the United States of alternate assumptions about population growth, economic growth, technology change, environmental policy, energy prices, energy supply, and minerals policy. Structurally, the system consists of a number of special-purpose models linked to INFORUM, the University of Maryland's 185-sector, dynamic, macroeconomic-cum-input-output model of the U.S. economy.
The SEAS/RFF system develops national U.S. economic forecasts through 2025 based on an exogenously specified set of demographic, macroeconomic, energy price, environmental policy, and resource policy assumptions. In turn, these forecasts form the basic economic inputs used by other models in the system to develop their more specialized forecasts. Forecasts are made at both national and regional levels.
A generalized overview of the SEAS/RFF national system is presented in figure A-1. The dashed-lined box encompasses the six special- purpose models that have been integrated with INFORUM into a common model: PRICE, which uses relative energy prices and price elasticities to alter energy demands, capital requirements, and Gross National Product (GNP) growth; TECHNOLOGY, which uses technology change assumptions to alter current and capital account flows; INSIDE, which provides greater detail on industrial output; ABATE, which calculates costs for abating pollution and sector purchases for abatement; ENSUP-