Supply and demand

The law of supply and demand is a theory that explains the interaction between the sellers of a resource and the buyers for that resource. The theory defines what effect the relationship between the availability of a particular product and the desire (or demand) for that product has on its price. Generally, low supply and high demand increase price and vice versa. Perfect examples of supply and demand in action include PayPal—Read more at Investopedia. Chappelow, Jim. “Law of Supply and Demand.” 29 September 2019