Which of the following will not result in a leftward shift of the market demand curve for labor? a. a decrease in labor productivityb. a decrease in demand for the firm's productc. an increase in the wage rated. a decrease in the price of the firm's product

Option (c) is correct.

Explanation:

This is correct because an increase in the wage rate will shift the market demand curve rightwards.

Firms demand for a labor up to a point where value of marginal product of labor is equal to the wage rate.

Value of marginal product = price × marginal productivity of labor

∴ price × marginal productivity of labor = wage rate (1)

Equation (1) is the demand equation for labor

So, if there is an increase in the wage rate, as a result price of the product also increases. This raises the value of marginal product of labor and marginal productivity remains the same.

Hence, this shifts the demand curve for labor rightwards.

∴ Option (c) is correct.

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