Inflation Rate
CPI yr 2 - CPI yr 1/ CPI yr 1 x 100
Real GDP
Nominal
GDP/ GDP Deflator x
Unemployment rate
number unemployed / labour force
Okun’s law
Actual GDP x (unemployment - natural) x 2/ 100
Real GDP growth rate
(Real GDP yr 2 - Real GDP yr 1)/ Real GDP yr 1