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Economies of Scale

D - Microeconomics

In microeconomics, economies of scale are the cost advantages a business obtains from the scale of its operations, typically measured by the amount of output it can produce per unit of cost; a firm achieves economies of scale when expanding its production lowers its cost per unit. These advantages can come from technical, statistical, organizational or market-related factors, and they can arise at the level of a single production plant or across an entire enterprise, appearing whenever average costs fall as output rises. Some economies of scale rest on a physical or engineering basis, such as the capital cost of manufacturing plants or savings in transportation, and the basic idea traces back to Adam Smith's account of the gains from the division of labor as production grows. Economies of scale eventually run into limits: a producer can exhaust nearby supplies of raw materials or saturate a local market, forcing costlier long-distance shipment, and large manufacturers often find it costly to switch between product grades frequently, which is why smaller or older plants remain viable for specialty production. Economists distinguish economies of scale, which come from a larger overall scale of operation, from the separate gain of simply running a given plant more intensively. This description is adapted from Wikipedia contributors under CC BY-SA 4.0; changes were made. https://creativecommons.org/licenses/by-sa/4.0/

Facts
Field
Microeconomics (production and cost theory) 1
Proposed By
Traced to Adam Smith's account of division of labor; the source names no single originator of the term itself 1
The source traces the underlying idea to Adam Smith's account of division of labor rather than naming who coined the term 'economies of scale' itself; origin-year is left unfilled as a result (recorded as a gap).
Significance
Explains why companies grow large in some industries and underpins natural monopoly and free-trade arguments, arising from purchasing, managerial, financial, marketing or technological sources of cost advantage. 1
Classification
Concept Form
Market Mechanism 1
Connections

Associated With School

Alfred Marshall, founder of the Cambridge School, formalized internal and external economies of scale in Principles of Economics (1890).

Source Principles of EconomicsAlfred Marshall

Attributed To

Marshall's Principles of Economics (1890) gave the concept its classic formal treatment, distinguishing internal from external economies of scale.

Source Principles of EconomicsAlfred Marshall
Sources
1. Economies of scale (Wikipedia)
  • Lead section
    The economic concept dates back to Adam Smith and the idea of obtaining larger production returns through the use of division of labor.
  • Overview section
    Economies of scale is a concept that may explain patterns in international trade or in the number of firms in a given market.
  • lead paragraph, sentence beginning: In microeconomics, economies of scale are the cost advantage
    In microeconomics, economies of scale are the cost advantages that enterprises obtain due to their scale of operation, and are typically measured by the amount of output produced per unit of cost (production cost).
View the Source
Principles of Economics
Alfred Marshall, Macmillan, 1890
  • Associated With School: Cambridge School
  • Attributed To: Alfred Marshall

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