A measure to determine the market concentration by the sum of the market shares of a given number of the largest firms within an industry.
A dominant firm is a company that possesses a significant market share in a given sector, typically 40% or more, often due to economies of scale, essential patents, or legal barriers to entry.
An exploration of seller concentration, its definition, and implications in economics.
A comprehensive overview of barriers to entry that obstruct new firms from entering a market or new workers from competing for employment.
A formal or informal agreement among a number of firms in an industry to restrict competition.
An analysis of a model in oligopoly where firms form expectations about their rivals’ reactions to changes in strategy.
Factors that inhibit or discourage new competitors from entering an industry
An in-depth look into the concept of a duopoly in economics.
A measure of firm size relative to market size used as an indicator of market concentration and competition.
A fundamental concept in economics describing goods that have uniform properties and are identical in every unit.
A merger between firms at the same stage of production
An in-depth look at the concept of industrial concentration in economics.
An exploration of the field of industrial organization, which studies market structure and strategic behavior of firms.
Barriers to entry in an industry resulting from natural, technical, or social conditions, not deliberately designed to restrict entry.
An in-depth look at market structure, its definition, the measuring indices, and its implications across various economic theories.
A market structure characterized by many firms selling differentiated products where each firm has some degree of market power but no long-term economic profit.
The degree of control that a buyer exerts in a market, primarily measured by the concentration of the industry. It is the counterpart of monopoly power.
The N-firm concentration ratio is the proportion of total market output produced by the N largest firms in an industry. It measures the degree of monopolization of a market.
A market characterized by a small number of buyers, where each buyer's decisions affect the others.
An examination of the order-driven market system where intermediaries match buy and sell orders.
Understanding potential competition and its implications in economics
A firm whose price changes tend to be followed by other sellers in its markets.
Understanding product differentiation as a key element in non-price competition among firms.
Explanation of statutory monopoly, a monopoly protected by law.
An exploration of the Structure-Conduct-Performance (SCP) paradigm in industrial organization economics.
