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  2. List of countries by GDP (nominal) - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_GDP...

    [7] [8] Since China's transition to a socialist market economy through controlled privatisation and deregulation, [9] [10] the country has seen its ranking increase from ninth in 1978, to second in 2010; China's economic growth accelerated during this period and its share of global nominal GDP surged from 2% in 1980 to 18% in 2021.

  3. Economies of scale - Wikipedia

    en.wikipedia.org/wiki/Economies_of_scale

    If input prices remain the same as their quantities purchased by the firm increase, the notions of increasing returns to scale and economies of scale can be considered equivalent. However, if input prices vary in relation to their quantities purchased by the company, it is necessary to distinguish between returns to scale and economies of scale.

  4. List of countries by GDP (PPP) - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_GDP_(PPP)

    The first set of data on the left columns of the table includes estimates for the year 2023 made for each economy of the 196 economies (189 U.N. member states and 7 areas of Aruba, Hong Kong, Kosovo, Macau, Palestine, Puerto Rico, and Taiwan) covered by the International Monetary Fund (IMF)'s International Financial Statistics (IFS) database ...

  5. List of countries by GDP sector composition - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_GDP...

    This is the list of countries by purely ... 2005 prices are used similarly to 2010 constant prices in which they provide ... World 5.7 3.1 0.5 1 1 0.2 List by ...

  6. List of countries by past and projected GDP (nominal) - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_past...

    This is an alphabetical list of countries by past and projected gross domestic product (nominal) as ranked by the IMF. Figures are based on official exchange rates, not on the purchasing power parity (PPP) methodology. Values are given in millions of United States dollars (USD) and have not been adjusted for inflation.

  7. Large-scale macroeconometric model - Wikipedia

    en.wikipedia.org/wiki/Large-scale_macro...

    The main objective of the model decides its size. In the current scenario there is an increasing interest in the use of these large-scale macroeonometric models for theory evaluation, impact analysis, policy simulation and forecasting purposes. [3] Large-scale macroeconometric models were criticized by Robert Lucas in his critique. Lucas argued ...

  8. New trade theory - Wikipedia

    en.wikipedia.org/wiki/New_Trade_Theory

    New trade theory (NTT) is a collection of economic models in international trade theory which focuses on the role of increasing returns to scale and network effects, which were originally developed in the late 1970s and early 1980s.

  9. Socially optimal firm size - Wikipedia

    en.wikipedia.org/wiki/Socially_optimal_firm_size

    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 ...