<P> In economics, aggregate expenditure (AE) is a measure of national income . Aggregate expenditure is defined as the current value of all the finished goods and services in the economy . The aggregate expenditure is thus the sum total of all the expenditures undertaken in the economy by the factors during a given time period . It refers to the expenditure incurred on consumer goods, planned investment and the expenditure made by the government in the economy . In an open economy scenario, the aggregate expenditure also includes the difference between the exports and the imports . </P> <P> Aggregate expenditures is defined as: AE = C + I + G + NX, </P> <Ul> <Li> C = Household Consumption </Li> <Li> I = Planned Investment </Li> <Li> G = Government spending </Li> <Li> NX = Net exports (Exports − Imports) </Li> </Ul>

What is the equation for the aggregate expenditure function ​(ae​)