A more elevated women's rate of return of education is not necessarily a signal of grater receptiveness to education, but could be explained by the economic structure of the three considered countries. As underlined by the presented tables, at parity of education women generally earn less than men, therefore education, could be for them, more than for the individuals of masculine sex, a discriminating factor that allows to reach more elevated incomes. Such results are less evident for the United States, with respect to Canada and Italy.