The equation that spells out the quantities consumers are willing to buy at each price is called the demand curve. Demand and supply curves can be charted on a graph, with prices on the vertical axis ...

This is the demand curve. The reverse is true for graphing the supply curve: Suppliers provide a higher quantity for higher prices, and a lower quantity for lower prices. The point where the two ...

The law of supply and demand is a basic economic principle. The law posits that the greater the supply, the lower the prices. If the supply is limited and the demand remains strong, prices will ...