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What Are Imperfect Markets? Definition, Types, and Consequences

Imperfect Markets: An economic market that does not meet the rigorous standards of a hypothetical perfectly competitive market.

Investopedia / Mira Norian

What Is an Imperfect Market?

An imperfect market refers to any economic market that does not meet the rigorous standards of the hypothetical perfectly—or purely—competitive market. Pure or perfect competition is an abstract, theoretical market structure in which a series of criteria are met. Since all real markets exist outside of the spectrum of the perfect competition model, all real markets can be clas🏅sif🐬ied as imperfect markets.

In an imperfect market, individual buyers and sellers can influence pric꧋es and production, there is no full disclosure of information about products and prices, and there aౠre high barriers to entry or exit in the market.

A perfect market is characterized by perfect competജition, market equilibrium, and an unlimited numbe෴r of buyers and sellers.

Key Takeaways

  • Imperfect markets do not meet the rigorous standards of a hypothetical perfectly or purely competitive market.
  • Imperfect markets are characterized by having competition for market share, high barriers to entry and exit, different products and services, and a small number of buyers and sellers.
  • Perfect markets are theoretical and cannot exist in the real world; all real-world markets are imperfect markets.
  • Market structures that are categorized as imperfect include monopolies, oligopolies, monopolistic competition, monopsonies, and oligopsonies.

Understanding Imperfect Markets

All real-world🅷 markets are imperfect. Thus, the study of real markets is always influenced by competition for market share, high barriers to entry and exit, different prod🍃ucts and services, prices set by price makers rather than by supply and demand, imperfect or incomplete information about products and prices, and a small number of buyers and sellers.

For example, traders in the financial market do not possess perfect or even identical knowledge about financial products. The traders and as🐻sets in a financial market are not perfectly homogeneous. New information is not instantaneously transmitted, and there is aไ limited velocity of reactions.

When considering the implication of economic activity, economists only use 澳洲幸运5官方开奖结果体彩网:perfect competition models. A such, the term imperfect market is somewhat misleading. Most peo𒉰ple will assume an imperfect 🌟market is deeply flawed or undesirable. However, this is not always the case. The range of market imperfections is as wide as the range of all real-world markets—some are much or less efficient than others.

Consequences of Imperfect Markets

Not all market imperfections are harmless or natural. Situations can arise in which too few sellers control too much of a single market, or when prices fail to adequately adjust to material changes in marke🌺t conditions. It is from these instances that the m𝄹ajority of economic debate originates.

Some economists argue that any deviation from perfect competition models justifies government intervention, in order to promote increased efficiency in production or distribution. Such interventions may come in the form of 澳洲幸运5官方开奖结果体彩网:monetary policy, fiscal policy, or market regulation. One common example of such interventionism is anti-trust law, which is🐠 explicitly𓂃 derived from perfect competition theory.

Important

Governments may also use ta꧟xation, quotas, licenses, and tariffs to help regulate so-called perfect markets.

Other economists argue that government intervention may not always be necessary to correct imperfect markets. This is because government policy is also imperfect, and government actors may not possess the right incentives or information to interfere correctly. Finally, many 💃economists argue government intervention is rarely, if ever, justified in markets. The Austrian and Chicago schools notably blame many market imperfections on er🍎roneous government intervention.

Types of Imperfect Markets

When at least one condition of a perfect market is not met, it can lead to an imperfect market. Every industry has some form of imperfection. Imperfect competition c꧑an be found in the following strucꦐtures:

Monopoly

This is a structure in which there is only one (dominant) seller. Products offered by this entity have no substitutes. These markets have high barriers to entry and a single sellerﷺ♚ who sets the prices on goods and services. Prices can change without notice to consumers.

Oligopoly

This structure has many buyers but few sellers. These few players in the market may bar others from entering. They may set prices together or, in the case of a cartel, only one takes the lead to determine the price for goods and 🌊services while the others follow.

Monopolistic Competition

In monopolistic competition, there are many sellers who offer similar products that can't be substituted. Businesses compete with one another and are price makers, but their individual decisions do not affect the other.

Monopsony and Oligopsony

These structures have many sellers, but few buyers. In both cases, the buyer is the o♔ne who manipulates market prices by playing firms against one another.

Imperfect Markets vs. Perfect Markets

Per๊fect markets are charac🃏terized by having the following:

  • An unlimited number of buyers and sellers.
  • Identical or substitutable products.
  • No barriers to entry or exit.
  • Buyers have complete information on products and prices.
  • Companies are price takers meaning have no power to set prices.

In reality, no mark𝓰et can ever have an unlimited number of buyers and sellers. Economic goods in every market are heterogeneous, not homogeneous, as long as more than one producer exists. A diverse range of goods a♑nd tastes are preferred in an imperfect market.

Perfect markets, though impossible to achieve, are useful because they help us think through the logic of prices and economic incentives. It is a mistake, however, to try extrapolating the rules of perfect competition into a real-world scenario. Logical problems arise from the start, especially the fact that it is impossible for any purely competitive industry to conceivably attain a state of 澳洲幸运5官方开奖结果体彩网:equilibrium from any other position. Perfect competition can thus only be theoretically assumed—it caꦗn never be dynamically reached.

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