In economics, the consumer surplus is the satisfaction a consumer receives when purchasing a good or service. Graphically, it is depicted as the triangle-shaped area formed by the aggregate demand ...

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 ...

Sometimes external forces in the economy throw the supply and demand for a product or service out of whack. Trade quotas are a common and powerful example of one such external force. One way ...

It's tough enough for a small business to survive in a down economy, to say nothing of achieving hoped-for growth by opening additional locations, expanding a product line or targeting new markets.

Explore how fiscal policy and monetary policy drive aggregate demand, influencing economic growth through spending, taxation, and money supply changes.