Auburn University: A Glossary of Political Economy Terms: Substitute Goods

This site gives a good definition of "complementary goods" and provides examples. It also explains how when the price of Good A changes, the demand curve for Good B will shift.

This site provides a good definition of the economic concept of profit prepared by Dr. Paul Johnson of Auburn University.

Dr. Johnson offers a very good description of an externality, both positive and negative, and explains how taxes and subsidies can provide the greatest amount of utility to society when confronted with an externality.

A definition is given for allocation in relation to economics.

A definition of what a progressive tax is. Also gives examples of what is considered to be a progressive tax.

Definition and examples of derived demand are provided.

Basic definition of 'autocracy.' Provides links to terms used in the definition, as well as cross-reference terms.

At this site from Auburn University the term "price controls" is defined. The online edition of "A Glossary of Political Economy Terms" by Dr. Paul M. Johnson of Auburn University is provided here.

Provides a definition for land as seen by an economist.

Basic definition and examples given for what a regressive tax is.