He's analyzing stats. I've had some exposure to business management heavily concerning individual wages and employment. Namely, the Staffing industry. For the same job, men and women get paid the same in most honest companies. Unfortunately, that isn't the reality. Many women lose productivity due to the menstrual cycle. Some even skip days of work. Another cold reality is that women are much, much, much more likely than men to have to quit/leave the business for an extended period of time due to maternity. Though it may strike you as offensive, I offer a similar position from an employer's point of view:

Why do teenagers get paid less on jobs than the older who do the same? Sure, you can bring up experience, wage need, etc... bu also factoring well into are the facts that minors tend to be much less productive on job, and have an extremely high chance of leaving the business entirely for educational or other reasons. We have no fret with paying minors less than adults however. These reasons are ambiguous for comparing men to women in the general work-force, but more towards service/packaging industries. I can speak little on other sectors of the economy.

In closing, he's not beeing stupid or anything, he's simply being a business man

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