What is marginal product?

Short Answer

Marginal product refers to the additional output produced by adding one more unit of a variable factor, while other factors remain constant. It shows how much extra production is gained from using one more unit of input like labor.

In simple words, it tells us how much output increases when we add one more worker or unit of input. It is an important concept to understand productivity in the production process.

Detailed Explanation:

Meaning of Marginal Product

Marginal product is an important concept in Economics that shows the change in total output when one more unit of a variable factor is used, keeping all other factors constant. It mainly applies in the short run, where at least one factor of production remains fixed.

For example, if a factory produces 100 units with 5 workers and 120 units with 6 workers, then the marginal product of the 6th worker is 20 units. This means the extra worker added 20 more units to total production.

Marginal product helps in understanding how productive each additional unit of input is. It shows whether adding more inputs is beneficial or not. If marginal product is increasing, it means production is becoming more efficient. If it starts decreasing, it shows the beginning of diminishing returns.

The concept of marginal product can be expressed as:

Here, MP means marginal product, Q means total output, and L means labor. It shows the change in output due to a change in labor.

Features of Marginal Product

Change in output
Marginal product measures the change in total output when one more unit of a variable factor is added.

Short-run concept
It mainly applies in the short run because at least one factor remains fixed while others are variable.

Linked with productivity
It helps in measuring the productivity of additional units of input.

Can increase or decrease
Marginal product may increase in the beginning due to better use of resources, but after some time, it starts decreasing due to diminishing returns.

Helps in decision making
Firms use marginal product to decide how many workers or inputs should be used for efficient production.

Importance of Marginal Product

Marginal product is very important in production analysis. It helps firms understand how much output each additional unit of input contributes.

It helps in efficient use of resources. Firms can decide the optimum level of input where marginal product is highest.

Another importance is cost control. When marginal product decreases, the cost of producing additional units increases. Firms can avoid this by controlling input usage.

It also helps in understanding the law of diminishing returns. When marginal product starts falling, it indicates that diminishing returns have begun.

Marginal product is also useful in determining wages. Workers are often paid based on their contribution to production, which is measured by marginal product.

Conclusion

Marginal product refers to the additional output produced by adding one more unit of a variable factor. It is an important concept for understanding productivity, efficient resource use, and cost control. It also helps in identifying the stage of production and improving decision-making in firms.