People are paid based on both the value they create, and how hard it is to hire them. If someone being hired will provide $10 of value for the company, then th

People are paid based on both the value they create, and how hard it is to hire them. If someone being hired will provide $10 of value for the company, then that is the ceiling for their wages. On the other side, the floor for their wages is the lowest price sometime will accept to provide that value to the company.