The law of supply and demand is a fundamental principle of economics theory that describes the relationship between supplier output, consumer demand and price. The demand curve is represented by a ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Dr. JeFreda R. Brown is a financial ...

Every businessperson should be familiar with the the basic laws governing supply and demand, and there is no better place to start than the demand curve. This curve is a pictorial representation of ...