具有网络外部性差异化产品的博弈分析

以双寡头博弈模型为基础,考察产品兼容、网络外部性对纵向差异化产品的市场竞争战略的影响。当产品具有网络外部性和不具有兼容性、具有网络外部性和兼容性及不具有网络外部性和具有兼容性时,高(低)质量产品的质量水平是不相同的。平均质量水平、价格、需求、利润以及社会福利也不相同,而且随着网络外部性强度和兼容性强度的变化而变化。

Game Analysis on Differential Products With Network Externalities

This study provides an analysis of the influence of compatibility and network externality on vertical differential market.Then,they compete in prices simultaneously.The main findings suggest that,the product quality of higher(lower)quality are different on these three conditions:with externality and without compatibility,with externality and with compatibility,with externality and with compatibility,so do the average level of product quality,prices,demands,profits and social welfare.And they all also change with the degree of externality and compatibility.