Welcome to the most complete directory on the Web of Sonography Technician programs. It contains all the nationally accredited programs, from 238 schools across the country. You can scroll down to see the school listings.
DEFINITION of 'Law Of Supply And Demand'. A theory explaining the interaction between the supply of a resource and the demand for that resource. The law of supply and demand defines the effect that the availability of a particular product and the desire (or demand) for that product has on price. Generally, if there is a low supply and a high demand, the price will be high.
The demand and supply curves are graphical representations of the law of demand and law of supply and demonstrate how quantity supplied and demanded change with changes in price. The following article provides an overview of supply and demand in general and explains the differences between demand and supply curves. Demand Curve Demand is defined as the desire to purchase goods and services backed by the ability and willingness to pay a price.