what s the relationship between gdp and aggregate demand 
gdp gross domestic product measures the size of an economy based on the monetary value of all finished goods and services made within a country during a specified period as such gdp is the aggregate supply aggregate demand represents the total demand for these goods and services at any given price level during the specified period aggregate demand eventually equals gross domestic product gdp because the two metrics are calculated in the same way as a result aggregate demand and gdp increase or decrease together the bottom lineaggregate demand is a concept of macroeconomics that represents the total demand within an economy for all kinds of goods and services at a certain price point in the long term aggregate demand is indistinguishable from gdp however aggregate demand is not a perfect metric and it is the subject of debate among economists 