aggregate supply
The total supply of goods and services that firms in an economy plan to sell during a specific time period at all possible price levels.
Example
“Supply chain disruptions reduced aggregate supply, causing prices to rise without any increase in demand.”
Memory Tip
AGGREGATE SUPPLY = all production capacity in the economy. Supply shocks move this.
Why It Matters
Understanding aggregate supply helps you comprehend why prices rise or fall across the entire economy, which directly affects your purchasing power, wages, and investment returns. When aggregate supply shifts, it influences inflation rates and employment levels that impact your job security and cost of living.
Common Misconception
Many people confuse aggregate supply with total production or GDP, but aggregate supply specifically measures what firms are willing to supply at different price levels. It is not simply about how much can be produced, but rather the relationship between price levels and the quantity suppliers are willing to offer.
In Practice
During the COVID-19 pandemic, aggregate supply decreased sharply as factories closed and supply chains broke down, even though demand remained high. This caused prices to rise significantly, with used car prices jumping 40 percent in 2021 as the supply of vehicles fell while consumer demand stayed strong, demonstrating how a drop in aggregate supply leads to inflation.
Etymology
AGGREGATE (total, combined) SUPPLY (available quantity). The TOTAL (AGGREGATE) SUPPLY capacity of an economy.
Common Misspellings
Learn economics & finance from top universities
Related Terms
More in economics
Other economics terms you should know
See Also
Need financial definitions?
Clear definitions for 2,500+ finance, insurance, and investing terms.