Formulas principles of economics chapter 10 and 12
Chapter 10
GDP = C + I + G + X – IM
GDP = C + I + G
Total income = total spending
GDP = C + G + S
Total income = consumption spending + savings
GDP = C + G + I
Total income = consumption spending + investment spending
C+G+S=C+G+I
Consumption spending |+ savings = consumption spending + investment spending
S=I
savings = investment spending
Sgovernemnt = T – G – TR
T = tax revenues
TR = government transfers
Snational = Sgovernment + Sprivate
Snational = I
national savings = investment spending
NCI = IM – X
net capital inflow = imports – exports
I = (GDP – C – G) + (IM – X)
I = Snational + (IM – X) = Snational + NCI
investment spending = national savings + net capital flow
Real interest rate = nominal interest rate – inflation rate
Chapter 12
Profit per unit of output = price per unit of output – production cost per unit of output
Output gap = ((actual aggregate output – potential output) / potential output) x 100
Chapter 10
GDP = C + I + G + X – IM
GDP = C + I + G
Total income = total spending
GDP = C + G + S
Total income = consumption spending + savings
GDP = C + G + I
Total income = consumption spending + investment spending
C+G+S=C+G+I
Consumption spending |+ savings = consumption spending + investment spending
S=I
savings = investment spending
Sgovernemnt = T – G – TR
T = tax revenues
TR = government transfers
Snational = Sgovernment + Sprivate
Snational = I
national savings = investment spending
NCI = IM – X
net capital inflow = imports – exports
I = (GDP – C – G) + (IM – X)
I = Snational + (IM – X) = Snational + NCI
investment spending = national savings + net capital flow
Real interest rate = nominal interest rate – inflation rate
Chapter 12
Profit per unit of output = price per unit of output – production cost per unit of output
Output gap = ((actual aggregate output – potential output) / potential output) x 100