Milton Friedman vs Karl Marx
They are 17.6 apart on the PoliMap compass, a 38% match with each other on this chart.
Milton Friedman (Free-market economist) and Karl Marx (Communist theorist) are useful to compare because their public records pull toward different mixes of markets and authority. The gap of 17.6 is the straight-line distance between the two coordinates, not a moral score.
See where you land between them