Other
The Demand Curve
A great site to begin studying the law of demand. Includes a demand schedule, a demand curve, and the determinants that can cuase your entire demand curve to shift.
Robert Schenk, PhD
The Demand Curve
This site discusses demand and the law of demand, and shows how a demand schedule can be transferred onto a demand curve. It also explains how a change in the price of a substitute can cause your original demand curve to shift.
Other
Net Mba Business Knowledge Center: Supply and Demand
This website offers a very simple yet helpful description and example of the interaction of supply and demand, and what will happen to price and quantity when one or both of your supply and demand curves shift. This would be a good place...
Tutor2u
Tutor2u: Shifts in Market Demand
This is an easy to understand site that presents the law of demand, changes in quantity demanded, and the factors that cause a demand curve to shift. It also discusses how inferior goods and normal goods respond to changes in demand.