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What are the three conditions for a market to be perfectly competitive?

Short Answer

Expert verified
The three conditions for a market to be perfectly competitive are: a large number of buyers and sellers, the products are identical, and everyone has perfect information about the market.

Step by step solution

01

Understanding large number of buyers and sellers

In a perfectly competitive market, there are a large number of buyers and sellers. This means no single buyer or seller has the power to influence the price as each participant is relatively small compared to the size of the market.
02

Understanding identical products

The goods or services sold in a perfectly competitive market must be identical, meaning they are perfect substitutes for each other. Due to this, the buyer has no preference for any specific seller and vice versa.
03

Understanding perfect information

The third condition of a perfectly competitive market is that every buyer and seller has perfect information about the market. They are aware of the quality, price and availability of all available goods or services. Thus, they can make decisions that maximize their own benefit.

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Market Competition
Market competition in the context of economics refers to the rivalry between companies selling similar products and services with the goal of achieving revenue, profit, and market growth. In a perfectly competitive market, competition is at its peak due to the existence of many players, which ensures that no single entity has the monopoly power to set prices for the goods or services offered.

This high level of competition incentivizes companies to operate efficiently, keep prices low, and constantly innovate to maintain or increase their market share. For students, it is crucial to understand that such an environment requires firms to be price-takers, adjusting production levels and strategies according to the prevailing market prices decided solely by the forces of supply and demand.
Buyers and Sellers
When discussing a perfectly competitive market, the terms 'buyers' and 'sellers' encompass a broad number of participants. Importantly, no individual buyer or seller can influence the market price due to their small market presence. This creates an equal playing field, where the exchange of goods and services is unimpeded by any significant power disparities.

In-depth knowledge of this condition is essential because it ensures that the market remains efficient and consumer-friendly. Transactions take place at a price that reflects true supply and demand, not at prices that are artificially manipulated by one or few market giants. Thus, both buyers and sellers in such markets are often referred to as 'price-takers'.
Identical Products
One of the pillars of a perfectly competitive market is the presence of identical or homogenous products. This means that each product is indistinguishable from another in the eyes of consumers. For instance, a bushel of corn from one farmer is equivalent to a bushel of corn from another.

Students should grasp that because products are identical, branding strategies and marketing play little role in influencing a buyer’s decision. Hence, factors like price, quantity, and accessibility become the primary grounds for competition. This condition ensures that the consumer is not paying extra for a 'brand' but for the commodity itself at its true market value.
Perfect Information
Perfect information is a theoretical concept where all participants in the market are assumed to have all the necessary information about the prices, quality, and availability of all goods and services.

This level of transparency allows buyers and sellers to make fully informed decisions, maximizing their utility and profits respectively. Students should recognize that while perfect information is an idealized concept, it serves as a benchmark to gauge market efficiency and to understand the dynamics of supply and demand without the complication of misinformation or deceptive practices. In educational exercises, exploring this concept helps clarify why in reality, markets might not function as efficiently as in theoretical perfectly competitive scenarios.

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Most popular questions from this chapter

Suppose you decide to open a copy store. You rent store space (signing a 1-year lease to do so), and you take out a loan at a local bank and use the money to purchase 10 copiers. Six months later, a large chain opens a copy store two blocks away from yours. As a result, the revenue you receive from your copy store, while sufficient to cover the wages of your employees and the costs of paper and utilities, doesn't cover all your rent and the interest and repayment costs on the loan you took out to purchase the copiers. Briefly explain whether you should continue operating your business.

In \(2015,\) cocoa prices rose 13 percent from the previous year, the fourth straight year in which prices increased. However, by the end of 2016 cocoa prices fell. Edward George, the head of research at Ecobank, commented, "Everyone's like, wow. There's a lot of cocoa out there." Much of the world's supply of cocoa beans is grown in West Africa. a. Assume that the market for cocoa beans is perfectly competitive and was in long-run equilibrium in 2012 . Draw two graphs: one showing the world market for cocoa beans and one showing the market for the cocoa beans grown by a representative farmer. b. Assume that there was an increase in the worldwide demand for chocolate in \(2013 .\) In the graphs you drew in part (a), show the short-run effect of the demand increase. c. Explain why the supply of cocoa beans increased and the price decreased in \(2016 .\) Show the effect of this increase in supply on the graphs you drew in part (b).

An article in the Wall Street Journal discusses the visual effects industry, which is made up of firms that provide visual effects for films and television programs. The article noted, "Blockbusters ... often have thousands of visual effects shots. Even dramas and comedies today can include hundreds of them." But the article also noted that the firms producing the effects have not been very profitable. Some firms have declared bankruptcy, and the former general manager of one firm was quoted as saying, "A good year for us was a \(5 \%\) return." If demand for visual effects is so strong, why is it difficult for the firms that supply them to make an economic profit?

Hedrick Smith was a foreign correspondent for the New York Times who lived in the Soviet Union in the \(1970 \mathrm{~s}\), a period when the country had a planned economy rather than a market system. In a book he wrote about everyday life in the Soviet Union, Smith made the following observations about shopping in Moscow: At first it seemed \(\ldots\) that the stores were pretty well stocked. Only as we began to shop in earnest \(\ldots\) did the Russian consumer's predicament really come through to me. First, we needed textbooks for our children \(\ldots\) and found that the sixth-grade textbooks had run out.... We tried to find ballet shoes for our 11 -year-old daughter... only to discover that in this land of ballerinas, ballet shoes size 8 were unavailable in Moscow.... I tried to find shoes for myself. They were out of anything in my size but sandals or flimsy, lightweight shoes that the clerk, with one look at me, recommended against buying. "They won't last," he admitted. a. Judging by Smith's observations, briefly explain whether the Soviet Union achieved allocative efficiency in the production of sixth-grade textbooks, ballet shoes, and men's shoes. b. Can we tell from these observations whether the Soviet Union achieved productive efficiency in the production of sixth-grade textbooks, ballet shoes, and men's shoes? Briefly explain.

Suppose that each of the following is true: (1) The laptop computer industry is perfectly competitive, and the firms that assemble laptops do not also make the displays or screens; (2) the laptop display industry is also perfectly competitive; and (3) because the demand for laptop displays is currently relatively small, firms in the laptop display industry have not been able to take advantage of all the economies of scale in laptop display production. Use a graph of the laptop computer market to illustrate the long-run effects on equilibrium price and quantity in the laptop computer market of a substantial and sustained increase in the demand for laptop computers. Use another graph to show the effect on the cost curves of a typical firm in the laptop computer industry. Briefly explain your graphs. Do your graphs indicate that the laptop computer industry is a constant-cost industry, an increasing-cost industry, or a decreasing-cost industry?

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