Demography Is a Factor Affecting the Natural Rate of Unemployment

Demography is a factor affecting the natural rate of unemployment because

A) where unemployment is located is important.
B) teenagers have a lower rate of unemployment than adults, so an economy with a lot of teenagers will have a lower natural rate.
C) the experience, skill, and education levels of the labor force will affect the natural rate.
D) gender, racial, and ethnic groups tend to have the same rates of unemployment.