Mô hình cạnh tranh Chương 6 giới thiệu ba mô hình cạnh tranh thị trường. hậu quả của họ cho giá cả được thảo luận trong Phần 6,2-6,4. Trong Phần , chúng tôi xác định ba mô hình cho thị trường một: độc quyền, cạnh tranh hoàn hảo và độc quyền. Phần 6,2 nhìn vào các chiến lược mà có sẵn cho một nhà cung cấp độc quyền đã giá hoàn toàn dưới sự kiểm soát của ông. 6,3 phần mô tả những gì sẽ xảy ra khi giá đang ngoài tầm kiểm soát của nhà cung cấp và có hiệu. | Pricing Communication Networks Economics Technology and Modelling. Costas Courcoubetis and Richard Weber Copyright 2003 John Wiley Sons Ltd. ISBN 0-470-85130-9 6 Competition Models Chapter 6 introduces three models of market competition. Their consequences for pricing are discussed in the Sections . In Section we define three models for a market monopoly perfect competition and oligopoly. Section looks at the strategies that are available to a monopoly supplier who has prices completely under his control. Section describes what happens when prices are out of the supplier s control and effectively determined by the invisible hand of perfect competition. Section considers the middle case called oligopoly in which there is no dominate supplier but the competing suppliers are few and their actions can affect prices. Within this section we present a brief tutorial on some models in game theory that are relevant to pricing problems. Section concludes with an analysis of a model in which a combination of social welfare and supplier profit is to be maximized. Types of competition The market in which suppliers and customers interact can be extraordinarily complex. Each participant seeks to maximize his own surplus. Different actions information and market power are available to the different participants. One imagines that a large number of complex games can take place as they compete for profit and consumer surplus. The following sections are concerned with three basic models of market structure and competition monopoly perfect competition and oligopoly. In a monopoly there is a single supplier who controls the amount of goods produced. In practice markets with a single supplier tend to arise when the goods have a production function that exhibits the properties of a natural monopoly. A market is said to be a natural monopoly if a single supplier can always supply the aggregate output of several smaller suppliers at less than the total of .
