Learn how utility functions derive demand functions and their role in maximizing consumer satisfaction and economic decision making.

A linear demand curve is a line representing the relationship between the demand for a product or service and its price. Everyone knows that sales are proportional to price: The more you charge for an ...

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 ...

Monopolies are quite common in business. If you offer a product or service that no one else has, then you possess a monopoly. In time, competitors probably will aim to match or improve upon your ...