Explore how aggregate demand and GDP connect and differ, using insights from Keynesian economics to understand macroeconomic principles.

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.

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Aggregate demand is the total demand for all ...