Macro equations

calculating rGDP

(Nominal GDP / GDP deflator) x 100

CPI =

(Current year values / base year values) x 100

Inflation using CPI

(New CPI - old CPI) / old CPI x 100

MPC

Spending / income

MPS

Savings / income

Monetarist equation of exchange

MV = PQ

Spending multiplier

1 / MPS

1/ (1-MPC)

Tax multiplier

-(MPC / MPS)

Transfer

MPC/MPS

Market basket

Sum of (price x quantity) of good

When calculating current year, only take prices because quantity is constant

Real GDP

Nominal GDP / GDP deflator

Real GDP per capita

GDP / population