Modern egalitarianism theory (or "new egalitarianism") outlines that if everyone had the same opportunity cost, then there would be no comparative advances and no one would gain from trading with each other.
A teoría do igualitarismo moderno ou novo igualitarismo, sinala que, se todos tiñan o mesmo custo de oportunidade, non habería ningún progreso e ninguén gañaría comercio comparativa entre eles.