Chapter 7: Problem 27

What is the difference between economies of scale, constant returns to scale, and diseconomies of scale?

Short Answer

Expert verified

Economies of scale, constant returns to scale, and diseconomies of scale are concepts describing the relationship between a firm's average total cost of production and its scale of production. Economies of scale occur when the cost per unit decreases as production increases, due to factors like specialization and improved technology. Constant returns to scale happen when the cost per unit remains unchanged as production increases, commonly seen in highly competitive industries. Diseconomies of scale occur when the cost per unit increases as production increases, often due to issues like bureaucracy and increased complexity.

Step by step solution

Definition: Economies of Scale

Economies of scale occur when a firm's average total cost of production decreases as the scale of production increases. In other words, as a firm produces more output, the cost per unit of output decreases. This happens because the firm can take advantage of specialization, improved technology, or better management practices as it grows larger.

Definition: Constant Returns to Scale

Constant returns to scale occur when a firm's average total cost of production remains the same as the scale of production increases. In this case, the cost per unit of output does not change as the firm produces more output. This is often observed in industries that are very competitive and have little room for efficiency improvements.

Definition: Diseconomies of Scale

Diseconomies of scale occur when a firm's average total cost of production increases as the scale of production increases. In this case, as the firm produces more output, the cost per unit of output increases. This can happen when the firm becomes too large and faces issues with coordination, bureaucracy, or increasing complexity.

Comparing the Three Concepts

In summary, these three concepts describe how a firm's average total cost of production is related to the scale of production: 1. Economies of Scale: Average total cost decreases as the scale of production increases. 2. Constant Returns to Scale: Average total cost remains the same as the scale of production increases. 3. Diseconomies of Scale: Average total cost increases as the scale of production increases. These concepts are important to understand because they have implications for a firm's optimal size and production strategy.

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