Roos, P. A. (1981). Sex stratification in the workplace: Male-Female differences in economic returns to occupation. Social Science Research, 10(3), 195-224. The study causes the idea that there is a large earning gap between men and women. Gender differences in earning are important because it focuses on the gender-based inequalities of power at the workplace. The author of the study used a literature review to explain the gender gap in earning, and it showed that sex segregated characteristics still remain at the occupational level. It shows that women work at low paying jobs and they are less likely to use authority in those jobs. The main reason why there are gender differences in earnings is the belief of human capital theory, and it has a huge concern with the supply side of the market. The researcher used a non-institutionalized English speaking population to explain the data for gender influenced gap in earning. The sample included 959 men and 670 women. The results showed that women are paid low wages, and are in positions of low responsibility. Even when a women reaches a higher level job, their earning is much lower than that of men. The results also show that women’s low income is mainly because of their job characteristics, in that men and women are distributed differently across jobs. Men earn more than women, mainly because women are not considered employers. The study demonstrated that the characteristics of the workers create inequality at the workplace; this is also a reason for why there is a large gap in earning between genders. Human capital theory discourages women from working and it presents women as low rent employees. They have less understanding of the mean of production. The characteristics of this research show improvement in the earnings of men and women.…