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학술저널

韩国垄断市场和垄断企业的相关研究

A Study on the Correlation between Korean Monopoly Markets and Monopoly Companies: Analysis through the Inefficientness of Monopoly Markets and Monopoly Companies

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韩国的垄断市场(monopoly market)是韩国市场结构(Market Structure)之一, 与完全竞争市场不同, 是各种微观经济学考察中出现最频繁的内容, 因此有必要进行更多的研究。韩国文化振兴院(2003)提出韩国市场结构分为4种, 以产品特性、竞争者的数量等为标准, 以市场具有何种特性来分类。市场结构的核心决定因素有四种: 适度规模; 生产物的替代性; 相互依赖性; 进入障碍。李俊九(2019)认为垄断市场与完全竞争市场最大的不同之处在于供应商拥有市场力量(market power)。对于在完全竞争市场向消费者供应的同一产品, 如果只是单纯的价格接受者(price-taker)的作用, 在垄断市场的供应者就会起到垄断的作用。这意味着, 通过拥有决定价格的能力, 就可以获得高于平均收益的机会。李俊九、李昌镛(2020)认为《换句话说, 市场力量意味着产品价格会受到影响。探讨垄断企业为什么可以任意定价?垄断企业为何会拥有市场的强大垄断力量?又是怎么制造出存在使其他竞争企业无法进入的所谓”门槛(entry barrier)”?通过对众多问题的分析, 让我们直观的看到垄断市场和垄断企业的非效率性是怎样对市场, 包括国际市场造成损害的。再以寡头市场和寡头企业的非效率性为例来做具体的说明, 并对相关改善措施的可行性予以探讨。

Purpose - Through the analysis of many problems, we can see how the inefficiency of monopolistic markets and monopolistic enterprises can harm markets and international markets. Design/Methodology/Approach - Korea s monopoly market is one of the structures of the Korean market, and unlike the fully competitive market, it is necessary to conduct more research since it is the most frequent content in various microeconomic studies. There are four types of market structure in Korea, which are classified according to the characteristics of the product, the number of competitors, and what characteristics of the market. Findings - There are four core determinants of market structure: moderate size; substitutability of production; interdependence; barriers to entry. The biggest difference between a monopoly market and a fully competitive market is that the supplier has market power. For the same product that is supplied to consumers in a fully competitive market, the supplier in a monopolistic market can play a monopoly role if it is simply a price receiver. This means that by having the ability to determine prices, opportunities to achieve higher than average returns are available .In other words, market forces mean that product prices will be affected. Research Implications - Exploring why monopolistic firms can price at will? Why do monopolies have a strong monopoly power in the market? And how did they create a so-called entry barrier that would make it impossible for other competing firms?

Ⅰ. 引言

Ⅱ. 现状说明

Ⅲ. 上述问题出现原因分析

Ⅳ. 寡头市场和寡头企业为代表的市场非效率性分析及相关改善措施探讨

References

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