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Economies of scale is related to and can easily be confused with the theoretical economic notion of returns to scale. Where economies of scale refer to a firm's costs, returns to scale describe the relationship between inputs and outputs in a long-run (all inputs variable) production function.
The first list includes estimates compiled by the International Monetary Fund's World Economic Outlook, the second list shows the World Bank's data, and the third list includes data compiled by the United Nations Statistics Division. The IMF's definitive data for the past year and estimates for the current year are published twice a year in ...
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This list of countries by largest GDP shows how the membership and rankings of the world's ten largest economies as measured by their gross domestic product has changed. . While the United States has consistently had the world's largest economy for some time, in the last fifty years the world has seen both rises and falls in relative terms of the economies of other count
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Localization and Urbanization Economies are two types of external economies of scale, or agglomeration economies. External economies of scale result from an increase in the productivity of an entire industry, region, or economy due to factors outside of an individual company. There are three sources of external economies of scale: input sharing ...
For example, if there are increasing returns to scale in some range of output levels, but the firm is so big in one or more input markets that increasing its purchases of an input drives up the input's per-unit cost, then the firm could have diseconomies of scale in that range of output levels.
If only diseconomies of scale existed, then the long-run average cost-minimizing firm size would be one worker, producing the minimal possible level of output. However, economies of scale also apply, which state that large firms can have lower per-unit costs due to buying at bulk discounts (components, insurance, real estate, advertising, etc.) and can also limit competition by buying out ...