3.2 Forms of Competitive Advantage & Industry Structure

As mentioned previously, economists have identified four types of competition—perfect competition, monopolistic competition, oligopoly, and monopoly. Perfect competition was discussed in the last section; we’ll cover the remaining three types of competition here.

Characteristic

Four Major Market Structures

Perfect Competition

Monopolistic Competition

Oligopoly

Pure Monopoly

Number of firms

Very many

Many

A few

One

Types of product

Homogeneous

Differentiated

Homogeneous or differentiated

Homogeneous

Barriers to entry or exit from industry

No substantial barriers

Minor barriers

Considerable barriers

Extremely great barriers

Examples

Agriculture

Retail trade

Banking

Public utilities

Monopoly 

In terms of the number of sellers and degree of competition, a monopoly lies at the opposite end of the spectrum from perfect competition. In perfect competition, there are many small companies, none of which can control prices; they simply accept the market price determined by supply and demand. In a monopoly, however, there’s only one seller in the market. The market could be a geographical area, such as a city or a regional area, and doesn’t necessarily have to be an entire country.

There are few monopolies in the United States because the government limits them. Most fall into one of two categories: natural and legal. Natural monopolies include public utilities, such as electricity and gas suppliers. Such enterprises require huge investments, and it would be inefficient to duplicate the products that they provide. They inhibit competition, but they’re legal because they’re important to society. In exchange for the right to conduct business without competition, they’re regulated. For instance, they can’t charge whatever prices they want, but they must adhere to government-controlled prices. As a rule, they’re required to serve all customers, even if doing so isn’t cost efficient.

A legal monopoly arises when a company receives a patent giving it exclusive use of an invented product or process. Patents are issued for a limited time, generally twenty years.  During this period, other companies can’t use the invented product or process without permission from the patent holder. Patents allow companies a certain period to recover the heavy costs of researching and developing products and technologies. A classic example of a company that enjoyed a patent-based legal monopoly is Polaroid, which for years held exclusive ownership of instant-film technology.  Polaroid priced the product high enough to recoup, over time, the high cost of bringing it to market. Without competition, in other words, it enjoyed a monopolistic position in regard to pricing.

Monopolistic Competition

In monopolistic competition, we still have many sellers (as we had under perfect competition). Now, however, they don’t sell identical products. Instead, they sell differentiated products—products that differ somewhat, or are perceived to differ, even though they serve a similar purpose. Products can be differentiated in a number of ways, including quality, style, convenience, location, and brand name. Some people prefer Coke over Pepsi, even though the two products are quite similar. But what if there was a substantial price difference between the two? In that case, buyers could be persuaded to switch from one to the other. Thus, if Coke has a big promotional sale at a supermarket chain, some Pepsi drinkers might switch (at least temporarily).

How is product differentiation accomplished? Sometimes, it’s simply geographical; you probably buy gasoline at the station closest to your home regardless of the brand. At other times, perceived differences between products are promoted by advertising designed to convince consumers that one product is different from another—and better than it. Regardless of customer loyalty to a product, however, if its price goes too high, the seller will lose business to a competitor. Under monopolistic competition, therefore, companies have only limited control over price.

Oligopoly

Oligopoly means few sellers. In an oligopolistic market, each seller supplies a large portion of all the products sold in the marketplace. In addition, because the cost of starting a business in an oligopolistic industry is usually high, the number of firms entering it is low. Companies in oligopolistic industries include such large-scale enterprises as automobile companies and airlines. As large firms supplying a sizable portion of a market, these companies have some control over the prices they charge. But there’s a catch: because products are fairly similar, when one company lowers prices, others are often forced to follow suit to remain competitive. You see this practice all the time in the airline industry: When American Airlines announces a fare decrease, Continental, United Airlines, and others do likewise. When one automaker offers a special deal, its competitors usually come up with similar promotions.

Business Competition on a Continuum

Typically, industries will possess several characteristics from different market structures.  As seen in Figure 3.5, industries typically fall in between different market structures and are not perfectly defined by one form of competition.  For example, the fast food industry possesses a large number of firms, which would classify it as being perfect competition; however, it also possesses several characteristics from monopolistic competition since there are minor barriers to entry/exit and the product they sell is typically differentiated.

This image represents the different forms of competition and how different industries typically fall in between two different market structures.
Figure 3.4: Business Competition on a Continuum

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Introduction to Management Copyright © by Kathleen Rodenburg is licensed under a Creative Commons Attribution 4.0 International License, except where otherwise noted.

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