The Theory of The Firm consists of a number of economic theories that explain and predict the nature of a firm: e.g. a business, company, corporation, etc... The nature of the firm includes its origin, continued existence, behaviour, structure, and relationship to the market. Firms are key drivers in economics, providing goods and services in return for monetary payments and rewards. Organisational structure, incentives, employee productivity, and information all influence the successful operation of a firm both in the economy and in its internal processes. As such, major economic theories such as transaction cost theory, managerial economics and behavioural theory of the firm provide conceptual frameworks for an in-depth analysis on various types of firms and their management.
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👉 Theory of the firm in the context of Industrial organization
In economics, industrial organization is a field that extends the theory of the firm by analyzing the structure of firms and markets, as well as the boundaries between them. It introduces real-world features that depart from the perfectly competitive model, such as transaction costs, imperfect information, and barriers to entry faced by potential competitors.
The field studies how firms and markets are organized and how they behave across a spectrum ranging from competitive markets to monopoly, including cases shaped by government intervention and regulation.
Theory of the firm in the context of Microeconomics
Microeconomics is a branch of economics that studies the behavior of individuals and firms in making decisions regarding the allocation of scarce resources and the interactions among these individuals and firms. Microeconomics focuses on the study of individual markets, sectors, or industries as opposed to the economy as a whole, which is studied in macroeconomics.
One goal of microeconomics is to analyze the market mechanisms that establish relative prices among goods and services and allocate limited resources among alternative uses. Microeconomics shows conditions under which free markets lead to desirable allocations. It also analyzes market failure, where markets fail to produce efficient results.
Theory of the firm in the context of Market power
In economics, market power refers to the ability of a firm to influence the price at which it sells a product or service by manipulating either the supply or demand of the product or service to increase economic profit. In other words, market power occurs if a firm does not face a perfectly elastic demand curve and can set its price (P) above marginal cost (MC) without losing revenue. This indicates that the magnitude of market power is associated with the gap between P and MC at a firm's profit maximising level of output. The size of the gap, which encapsulates the firm's level of market dominance, is determined by the residual demand curve's form. A steeper reverse demand indicates higher earnings and more dominance in the market. Such propensities contradict perfectly competitive markets, where market participants have no market power, P = MC and firms earn zero economic profit. Market participants in perfectly competitive markets are consequently referred to as 'price takers', whereas market participants that exhibit market power are referred to as 'price makers' or 'price setters'.
The market power of any individual firm is controlled by multiple factors, including but not limited to, their size, the structure of the market they are involved in, and the barriers to entry for the particular market. A firm with market power has the ability to individually affect either the total quantity or price in the market. This said, market power has been seen to exert more upward pressure on prices due to effects relating to Nash equilibria and profitable deviations that can be made by raising prices. Price makers face a downward-sloping demand curve and as a result, price increases lead to a lower quantity demanded. The decrease in supply creates an economic deadweight loss (DWL) and a decline in consumer surplus. This is viewed as socially undesirable and has implications for welfare and resource allocation as larger firms with high markups negatively effect labour markets by providing lower wages. Perfectly competitive markets do not exhibit such issues as firms set prices that reflect costs, which is to the benefit of the customer. As a result, many countries have antitrust or other legislation intended to limit the ability of firms to accrue market power. Such legislation often regulates mergers and sometimes introduces a judicial power to compel divestiture.
Theory of the firm in the context of Oliver E. Williamson
Oliver Eaton Williamson (September 27, 1932 – May 21, 2020) was an American economist, a professor at the University of California, Berkeley, and recipient of the 2009 Nobel Memorial Prize in Economic Sciences, which he shared with Elinor Ostrom.
His contributions to transaction cost economics and the theory of the firm have been influential in the social sciences, law and economics. Williamson described his work as "a blend of soft social science and abstract economic theory".