10. Which of the following will cause a shift in the demand curve of labor? An increase or decrease in the productivity of labor. An increase or decrease in the demand for the product labor produces. A decline in the price of a complementary input . all of the above

10. Which of the following will cause a shift in the demand curve of labor?
An increase or decrease in the productivity of labor.
An increase or decrease in the demand for the product labor produces.
A decline in the price of a complementary input .
all of the above

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