The demand curve explains the relationship between price and number of sales (also called product demand). Companies can leverage some control over their sales by manipulating the price, but there are ...

The demand curve is one of the fundamental concepts of economics. It illustrates the relationship between the price of a good or service and the demand for that product, that is, the way a change in ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Robert Kelly is managing director of XTS ...

Andrew Bloomenthal has 20+ years of editorial experience as a financial journalist and as a financial services marketing writer. Erika Rasure is globally-recognized as a leading consumer economics ...