A new study discovered that the men who consider the women’s only job to stay at home and take care of the house, earn more. Even if they might be considered “out of fashion,” these men’s ideas could increase their family’s income much more than ordinary.

They will earn more than the men who think more modern nowadays and consider the women their equal in having a job. And the difference between the salaries of these two kinds of men means nearly $8,500 a year. The study was made by a U.S. team and published in the Journal of Applied Psychology.

Some of the men who also try to gain power in their relationship or marriage do too win more. The researchers at the University of Florida tracked 12,686 men and women aged between 14 and 22 back in 1979. They were interviewed three times in the following decades, until 2005.

The men were asked if they believed that a woman must stay at home or if they believed that a hired woman was likely to lead to higher rates of juvenile delinquency. More of the men were likely to have these views than women, but the gap decreased over the time.

The women who believed that they should work earned more than the ones who had the traditional view. "More traditional people may be seeking to preserve the historical separation of work and domestic roles - our results prove that is, in fact, the case," said Dr Timothy Judge, one of the researchers.