[BreakfastB0b]

If this were true, wouldn’t all corporate profits be next to zero as companies compete on the slimmest possible margins?

[silisili]

Yes, this is what econ 101 teaches, or did when I was in school.

See: https://en.m.wikipedia.org/wiki/Zero-profit_condition

https://en.m.wikipedia.org/wiki/Perfect_competition