<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>

Total expenditure in the us is equal to consumption expenditure plus investment