As more people are hired, the marginal product of labor decreases because eventually having more and more employees will not make the company more productive.

Marginal groups are groups of people who are kept away from society. they are kept at borders and are not shown any kind of respect or concern

The difference is bicultural people will usually sleep with both people and sloth. And marginal people will only sleep with other people, but there is the occassional slip up with other animals such as snakes, which are opposite of sloths.

Marginal net benefits= Marginal benefit- Marginal cost

No, that would not be very equitable to those people living in marginal areas.