Diseconomies of Scale

When a firm expands beyond a certain point, the cost of producing each additional unit increases instead of decreasing. This rise in per-unit cost is called diseconomies of scale, showing limits to efficient growth.

These come from inside the firm and affect its production costs:

• Inefficient Management: Large firms are hard to manage or coordinate. E.g., a factory becomes difficult to oversee, causing delays and errors.
• Technical Difficulties: Overcrowded factories or overused machines reduce efficiency. E.g., power plants operating beyond their capacity lead to higher unit costs.
• Production Diseconomies: Using lower-quality materials when resources get scarce as the firm grows.
• Marketing Diseconomies: Increased advertising and marketing costs rise faster than production.
• Financial Diseconomies: Relying on expensive external financing as the firm grows.

These affect all firms in an industry due to its size or location:

• Pollution: Multiple factories polluting the environment cause health costs and higher production expenses.
• Infrastructure Strains: Overused transport and communication systems delay goods and increase costs.
• High Factor Prices: Competition among firms in one area drives up prices for materials and labour.

• Diseconomies of scale increase costs when a firm grows too big.
• Internal diseconomies arise from management, technical, production, marketing, and financial issues.
• External diseconomies come from pollution, infrastructure overload, and resource competition.
• Understanding these helps firms stay efficient and avoid costly expansion.