EN
Politicians used to determine such macroeconomic targets as GDP growth rate, inflation rate, unemployment rate. They are interested in relationships between: unemployment rate and GDP growth rate (the Okun’s law), unemployment rate and inflation rate (the Philips curve) as well as between inflation rate and GDP growth rate (aggregate supply curve - SAS), put forth directly, eg. a straight line or a parabola, or indirectly, i.e. as a function Okun’s with inserted Philips function. SAS derived from the Okun’s and Philips curves estimated for OECD countries in the period 1991 to 2013 are analysed vis a vis curves reflecting direct relationships.