在商业环境中，各市场的参与者都是价格接受者或价格者。价格接受者是那些没有发言权的人在价格上占主导地位的市场，而价格制定者是那些有助于设置在市场上存在的价格。卖方或买方有能力，但在大多数情况下，买方是价格接受者。这是因为，他们通常不控制在市场上存在的价格。因此，本文的目的是比较四的市场模型，并给出一个描述，以及这些模型中的每一个意见。
纯粹竞争是在自由市场环境中发现的市场模型之一。它由许多卖家和买家谁在标准化的商品和服务，出售的价格设置的需求和供应的价格。此外，有自由流动的买家和卖家之间的信息与卖方有知识的产品价格。此外，“新公司可以自由地进入和现有的企业可以自由地离开纯粹的竞争性行业。没有显着的法律技术，财务或其他障碍禁止在任何竞争市场销售他们的输出的新公司“。值得注意的是，公司并没有控制在这个市场上占上风的价格，因此他们是价格接受者，而不是制造商。此外，在这个市场上的产品几乎是相同的，这使得企业难以销售以上的价格在市场上占上风的产品。
In the business environment the participants in the various markets are either price takers or price makers. Price takers are those participants who do not have a say in the prices that dominate the market while price makers are those that help set the prices that exists in the market. Sellers or buyers have the capability of being either but in most cases the buyers are the price takers. This is because, they do not normally have control over the prices that exist in the market. It is therefore the objective of this paper to compare four of the market models and give a description as well as an opinion on each of these models.
Pure competition is one of the market models found in a free market environment. It consists of many sellers and buyers who trade in standardized goods and services that are sold at prices set by forces of demand and supply. In addition, there is free flow of information between the buyers and sellers with the sellers having knowledge of products prices. Moreover, "New firms can freely enter and existing firms can freely leave purely competitive industries. No significant legal technological, financial, or other obstacles prohibit new firms selling their output in any competitive market" (McConnell,p 150). It bears noting that the firms do not have control over the prices that prevail in this market hence they are price takers rather than makers. Additionally, the products in this market are virtually identical and this makes it difficult for the firms to sell the products above the prices that prevail in the market. They also cannot sell below the market prices as this would lead to a loss of revenue and profits making them uncompetitive.
Monopoly power is a market environment that is characterized by one participating seller who dominates the entire market and influences the prices that prevail in the market. The existence of a monopoly is usually identified as a failure in the market as the seller is a price maker and influences price lay down by other firms irrespective of their location, number or size. A monopoly firm is identified as a seller who is able to provide a significantly large number of products into the market enabling it to control the entire market. Besides, the monopoly has the power to raise the prices of both goods as well as services and still be in a position to retain its customers. Consequently, buyers are left with the choice of either obtaining the products at that price or go without them.
Another form of imperfect competition is the monopolistic competition that is characterized by several small firms which produce and sell products that are differentiated from each other. The products in this market are close substitutes and it becomes very easy for the buyers to interchange them. It is note worthy that monopolistic competition is a hybrid of pure competition and monopoly power in that, there are many firms similar to the perfect competition but the firms have control similar to that of monopoly firms. The firms behave like monopolies though none of the firms have complete control over the market. "A pure monopolist has no immediate competitors because certain barriers keep potential competitors from entering the industry"(190) . The monopolistic competition differs from pure competition in that the sellers who exist in the market compete with each other while maintaining very high profits as they control the prices. Later as the market grows more sellers join the market and the competition grows leading to a reduction in prices. As a result, the demand for pr
