C
Consumer spending on final goods and services
I
Gross private domestic investment, which includes business investment in capital goods
G
Government spending on final goods for both current goods and investment in capital goods
X
Exports
M
Imports
C + I + G + ?
? = (X - M)
(X - M) + (I + Gi) + ?
? = (C + Gc)
GDP measures
The outflow and inflow of capital within an economy
Nominal GDP
Is measuring goods at a current price
Real GDP
Is measuring the price of goods at the base price