Are you assuming that all costs are financial? (As a possible example, the only European countries with higher percentages of tertiary education than the US in

Are you assuming that all costs are financial? (As a possible example, the only European countries with higher percentages of tertiary education than the US in the 25-34 age group are Norway, Ireland, Luxembourg, Lithuania, and Russia. I suppose that only 28% of Germans are interested in tertiary education, as opposed to 49% in Norway and Ireland. (https://en.wikipedia.org/wiki/List_of_countries_by_tertiary_education_attainment https://en.wikipedia.org/wiki/List_of_countries_by_tertiary_...)