Question

Suppose that hiring a third worker at the campus coffee shop increases output from $135 per hour to $190 per hour. What is the marginal product of labor per hour from adding that third worker

Answer 1

Based on the information given the marginal product of labor per hour from adding that third worker is $55 per hour.

Using this formula

Marginal product of labor per hour  

=Change in sales/ Change in number of workers

Where:

Change in sales=($190 per hour-$135 per hour)

Change in number of workers=1

Let plug in the formula

Marginal product of labor=($190-$135)/1

Marginal product of labor=$55/1

Marginal product of labor =$55 per hour

Inconclusion the marginal product of labor per hour from adding that third worker is $55 per hour.

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