In economics, a demand curve represents the relationship between the quantity of a product demanded and its price. It is almost always downward-sloping, as more people are willing to buy the product ...

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. Erika Rasure is globally-recognized as a ...

Michael Boyle is an experienced financial professional with more than 10 years working with financial planning, derivatives, equities, fixed income, project management, and analytics. Katharine Beer ...