Fixed input: It is an input, which is constant in the short run, it is not related to any change in the production of goods or service, it will be fixed disregarding of an increase or decrease in output. Variable input: This input is directly proportional to the level of output produced, it increases with an increase in output and vice versa. Marginal Product of Labor (MPL): It refers to the additional units of output, which is produced by employing an additional unit of labor in the current labor force. Here, is the change in quantity. is the change in labor.

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Chapter 11, Problem 2P

To determine

Concept Introduction:

Fixed input: It is an input, which is constant in the short run, it is not related to any change in the production of goods or service, it will be fixed disregarding of an increase or decrease in output.

Variable input: This input is directly proportional to the level of output produced, it increases with an increase in output and vice versa.

Marginal Product of Labor (MPL): It refers to the additional units of output, which is produced by employing an additional unit of labor in the current labor force.

Here,

is the change in quantity.

is the change in labor.

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