Which of the Following Could Explain an Increase in the Equilibrium

Multiple Choice

Which of the following could explain an increase in the equilibrium wage rate for a particular job?

A) a decrease in the amount of training needed to perform this job
B) an increase in the amount of risk associated with this job
C) a decrease in the amount of risk associated with this job
D) an improvement in the working conditions associated with this job
E) increased migration of workers to this geographic location