Which of the following will cause a shift in the demand curve of labor?

Question

Quizplus · Accepted Answer

All of the factors listed can cause a shift in the demand curve of labor. 
A) An increase in labor productivity would increase the demand for labor and shift the demand curve to the right, while a decrease in labor productivity would decrease the demand for labor and shift the demand curve to the left. 
B) An increase in the demand for the product labor produces, such as a popular new product that requires more workers to produce, would increase the demand for labor and shift the demand curve to the right, while a decrease in demand would decrease the demand for labor and shift the curve to the left. 
C) A decline in the price of a complementary input, such as a decrease in the cost of machinery used alongside labor, would increase the demand for labor and shift the demand curve to the right.

Which of the Following Will Cause a Shift in the Demand