Robert Schenk, PhD
Cyber Economics: Supply and Demand Overview
This is a site from the St. Joseph's College with an overview of the supply and demand model. It is actually the first page of a lesson on supply and demand complete with links to more in-depth discussions including graphs and charts...
Texas Education Agency
Texas Gateway: Chapter 9: The National Saving and Investment Identity
By the end of this section, you will be able to do the following: Explain the determinants of trade and current account balance, Identify and calculate supply and demand for financial capital, Explain how a nation's balance of trade is...
University of Colorado
University of Colorado: Aggregate Supply and Demand
This site is a short lesson on business cycles, aggregate demand, and aggregate supply. It has some good explanations of the terms.