The labor supply curve will shift to the right under which of the following conditions?

Question

Quizplus · Accepted Answer

All of the given conditions will increase the number of workers available in the labor market, hence shifting the labor supply curve to the right. 
A) When workers are willing to supply more hours of labor each week, the quantity of labor supplied at each wage rate increases.
B) When new workers enter the labor market, the quantity of labor supplied at each wage rate increases.
C) When a new law relaxes immigration quotas, more foreign workers can enter the country and join the labor force, increasing the labor supply.
D) When people wait longer before retiring, they remain in the labor force for longer, increasing the quantity of labor supplied at each wage rate.

The Labor Supply Curve Will Shift to the Right Under