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Business Basics

Economies of scale

  • Created by Henry Stewart Talks
Published on May 28, 2026   3 min

A selection of talks on Strategy

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Let's begin by clarifying what is meant by economies of scale. These are cost advantages businesses achieve by increasing production. As output rises, average cost per unit typically falls because fixed costs are spread over more units. For example, machinery, rent or management salaries do not increase as fast as output, so each item carries less overhead. This principle guides decisions like plant expansion and explains why large firms often have a competitive advantage over smaller ones up to a certain point. There are two main types of economies of scale, internal and external. Internal economies of scale arise from within the firm, often due to factors like division of labor, efficient use of machinery, bulk buying of materials, or improved management. A classic example is the assembly line, where specialized workers and machinery reduce average costs. External economies of scale result from the industry's growth or improvements in the business environment, such as better infrastructure or a skilled labor pool each with distinct implications for business strategy. Narration. While economies of scale bring advantages, they do not continue indefinitely. As firms grow too large, they may face dice economies of scale, where average costs per unit begin to rise. This can result from bureaucratic inefficiency, communication breakdowns, or coordination problems inherent in large organizations. For example, decision making may slow with added management layers,

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