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构建同时包含网络效应、转移成本与产品兼容的动态博弈模型,并计算其马尔可夫精炼均衡.数值模拟发现一种新的混合均衡,其中市场分享与倾翻均可能出现.发现网络产业中,转移成本对市场支配的影响非单调:高转移成本会导致用户锁定,抑制市场倾翻;适中的转移成本则会刺激企业采取策略性定价,加剧市场倾翻.某些情况下,减少转移成本的规制政策会降低市场的可竞争性.产品兼容的去差异化效应弱于平整效应,结合促兼容政策可促进市场良性竞争.从此视角分析中国移动通信市场中的号码携带政策,发现其实施滞后的部分原因在于市场早期的互联互通障碍与网内网间差别定价.
Build a dynamic game model that contains both network effects, transfer costs and product compatibility, and calculate its Markov refinement equilibrium. Numerical simulation shows a new hybrid equilibrium in which market sharing and tipping may occur.It is found that in the network industry, The impact of transfer costs on market dominance is non-monotonic: high transfer costs lead to customer lock-in that inhibits market tipping; moderate transfer costs stimulate firms to adopt strategic pricing and aggravate market dumping. In some cases, transfer costs are reduced Regulatory policies will reduce the market competitiveness.Degree-oriented to product differentiation is weaker than the formation effect, combined with promoting compatible policies can promote the healthy competition in the market.From this perspective, we analyze the number portability policy in China’s mobile communications market and find its implementation lagging Part of the reason is that early market interoperability barriers and intranet differential pricing.