Sean Ross is a strategic adviser at 1031x.com, Investopedia contributor, and the founder and manager of Free Lances Ltd. Erika Rasure is globally-recognized as a leading consumer economics subject ...

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 ...

Introductory-level economics uses supply and demand curves to identify the "ideal" price for a product, service or other economic activity. In Econ 101, these curves assume that the economy is working ...

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 ...