Unions often attempt to obtain stricter certification requirements and/or longer apprenticeships. These changes will tend to raise union workers' wages because they
A) create unnecessary unemployment.
B) shift the labor supply curve leftward.
C) decrease the marginal product of labor.
D) increase the demand for the product.

Question

Quizplus · Accepted Answer

Stricter certification requirements and longer apprenticeships reduce the number of qualified workers, shifting the labor supply curve leftward, which can lead to higher wages for union workers.

Unions Often Attempt to Obtain Stricter Certification Requirements And/or Longer