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  2. Market structure - Wikipedia

    en.wikipedia.org/wiki/Market_structure

    The correct sequence of the market structure from most to least competitive is perfect competition, imperfect competition, oligopoly, and pure monopoly. The main criteria by which one can distinguish between different market structures are: the number and size of firms and consumers in the market, the type of goods and services being traded ...

  3. Perfect competition - Wikipedia

    en.wikipedia.org/wiki/Perfect_competition

    In economics, specifically general equilibrium theory, a perfect market, also known as an atomistic market, is defined by several idealizing conditions, collectively called perfect competition, or atomistic competition.

  4. Competition (economics) - Wikipedia

    en.wikipedia.org/wiki/Competition_(economics)

    Adjacent advertisements in an 1885 newspaper for the makers of two competing ore concentrators (machines that separate out valuable ores from undesired minerals). The lower ad touts that their price is lower, and that their machine's quality and efficiency was demonstrated to be higher, both of which are general means of economic competition.

  5. Fundamental theorems of welfare economics - Wikipedia

    en.wikipedia.org/wiki/Fundamental_theorems_of...

    Edgeworth took a step towards the first fundamental theorem in his 'Mathematical Psychics', looking at a pure exchange economy with no production. He included imperfect competition in his analysis. [7] His definition of equilibrium is almost the same as Pareto's later definition of optimality: it is a point such that...

  6. Arrow–Debreu model - Wikipedia

    en.wikipedia.org/wiki/Arrow–Debreu_model

    In mathematical economics, the Arrow–Debreu model is a theoretical general equilibrium model. It posits that under certain economic assumptions (convex preferences, perfect competition, and demand independence), there must be a set of prices such that aggregate supplies will equal aggregate demands for every commodity in the economy.

  7. Glossary of economics - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_economics

    Also called resource cost advantage. The ability of a party (whether an individual, firm, or country) to produce a greater quantity of a good, product, or service than competitors using the same amount of resources. absorption The total demand for all final marketed goods and services by all economic agents resident in an economy, regardless of the origin of the goods and services themselves ...

  8. Competitive equilibrium - Wikipedia

    en.wikipedia.org/wiki/Competitive_equilibrium

    Competitive equilibrium (also called: Walrasian equilibrium) is a concept of economic equilibrium, introduced by Kenneth Arrow and Gérard Debreu in 1951, [1] appropriate for the analysis of commodity markets with flexible prices and many traders, and serving as the benchmark of efficiency in economic analysis.

  9. Porter's five forces analysis - Wikipedia

    en.wikipedia.org/wiki/Porter's_five_forces_analysis

    A graphical representation of Porter's five forces. Porter's Five Forces Framework is a method of analysing the competitive environment of a business. It draws from industrial organization (IO) economics to derive five forces that determine the competitive intensity and, therefore, the attractiveness (or lack thereof) of an industry in terms of its profitability.