Figure 18-7 -Refer to Figure 18-7. Which of the Following Would Shift

Multiple Choice

Figure 18-7
-Refer to Figure 18-7. Which of the following would shift the labor supply curve from S₁ to S₂?

A) a change in workers' attitudes toward the work-leisure tradeoff
B) decreases in wages in other labor markets
C) immigration of workers into the region or country
D) All of the above are correct.