網路相容性與價格競爭

鄧雅如

doi:10.6846/TKU.2011.01060

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网路相容性与价格竞争

Network Compatibility and Price Competition

邓雅如 , 硕士　　导师：鲍世亨　　

繁体中文 DOI： 10.6846/TKU.2011.01060

双占厂商；相容性；部份相容；价格竞争；相容性增加；相容性提高； Duopoly ； Compatibility ； Partial Compatibility ； Price Competition

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摘要 │ 参考文献 (35) │ 国际计量

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In this paper, there are duopoly firms on the market. The network sizes of two firms are asymmetric. Under the Compatibility that the market gave, two firms do price competition, firms achieve the optimal market share, the optimal price and profits. We use the method of Palma and Leruth (1996) to measure the size of network externalities. Consumers must choose one of two consumer products. And discuss if the compatibility between two products required to enhance. What will affect the market share , price and profit of firms?
There are some different points that this study compared with previous literature：First, the compatibility between the product manufacturer is partial compatibility ; second, two firms are price competition.; third, the vertical difference between the products, meaning products are significant differences between the quality; fourth, consumer preferences are all different, that is, consumers like the product has a different degree. Based on the above conditions , we tried to achieve the optimal market share, optimal price and profit of two firms. And what will the firms do if the compatibility between them is required to enhance. 
In conclusion, we found when the compatibility of products between manufacturers are required to increase,  it will cause the larger network firms to reduce their market share, lower prices and reduced profits. Compared to the larger network firm, the market share of smaller companies will increase, higher prices and thus increase profits. Because of this conclusion, we can determine that the larger the network will be unwilling to increase compatibility of manufacturers; smaller companies will find ways to improve compatibility level. Reasons for this result, we sorted out the two: first, the competitive effects :this make the price competition between manufacturers will become more intense; second, the network effect : it lead the smaller firms to increase its number of customers, then makes the other manufacturer’s market share decline. And then the consumer surplus will decrease, the original advantage fall away. The larger network company has to cut price to attract the customers.

参考文献 ( 35 ) 〈TOP〉

蒋明晃与邓景宜(2001)，「网路外部性下对两群异质顾客的订价策略之研究」，台大管理论丛，12(1)，页1~36
连结：
Bental, B., and M. Speigel(1995)“Network Competition Quality and Market Coverage in the Presence of Network Externalities,” Journal of Industrial Economics , XLIII/2, 197-208.
连结：
Chou, C.F., and O.Shy(1993)“Partial Compatibility and Supporting Services,”Economics Letters, 41, 193-197.
连结：
Chou, C. F., and O.Shy (1996)“Do Consumers Gain or Lose When More People Buy the Same Brand,” European Journal of Political Economy, 12,09-330.
连结：
Chou, C.H., and D.Wu (2002)“Compatibility Choices and Network Product Markets,”Taiwan Economic Review, 30, 2, 229-45.
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引用含有DOI的文献

DOI可强化引用精确性、增强学术圈连结，并给予使用者跨平台的良好使用经验，目前在全世界已有超过五千万个对象申请DOI。 如想对DOI的使用与概念有进一步了解，请参考 （ ） 。

DOI可强化引用精确性、增强学术圈连结，并给予使用者跨平台的良好使用经验，目前在全世界已有超过五千万个对象申请DOI。如想对DOI的使用与概念有进一步了解，请参考（）。