In Recent Years, the Increasing Relative Wage of Skilled Labour

Multiple Choice

In recent years, the increasing relative wage of skilled labour has been mostly due to:

A) government laws promoting the hiring of skilled labour.
B) government subsidies provided to college students.
C) a decrease in the supply of, and increase in the demand for, skilled labour.
D) an increase in the demand for skilled labour that exceeds the increase in supply.
E) a decrease in the supply of skilled labour that exceeds the decrease in demand.