对于市场竞争风险的控制，本文应用网络外部效应理论探讨风险的控制模型，文章的最后还提到了一些市场风险控制的建议。
Based on the network externality theory, a market competition risk control model was discussed. At the end of this paper, some advices of controlling market risk are given.
首先，本文回顾了产业集群外部经济效应理论，为后续的比较研究和分析提供理论基础。
First of all, this paper reviews the industrial cluster external economy effect theory; offer the theoretical foundation for subsequent comparative study and analysis.
引入经济学中外部效应的概念和理论，并借助于数学模型分析了外员使用对联赛效用的影响。
With the help of mathematical model, the paper employs the concept of external effect in economics and its relevant theory to explore the effects of foreign players on league utility.
然后介绍了在完全竞争和无外部效应条件下城市土地利用的区位模型，这是最基本的理论模型；
Then I talk about the location model of the urban land utilization in condition of the complete competitive and non-eternal effect, which is the basic theory model.
基于非局部弹性理论，在考虑小尺度效应影响的情况下，建立了单壁碳纳米管在均匀轴向外部压力下的壳体模型。
A shallow shell model is developed for the elastic buckling of a single wall carbon nanotube under a uniform external axial pressure by using the nonlocal elastic theory.
尤其在代理理论的背景下，就外部委员会成员的监督活动而言，我们对替代效应的存在表示怀疑。
More specifically, in the context of agency theory, we question the existence of a substitutability effect regarding monitoringactivities by external board members.
第二部分从理论上分析了ERP在企业内部供应链管理、外部供应链管理及系统管理效应的三大功能。
The second part analyzes theoretically the ERP's functions in the management of internal and external supply chains, and in the efficiency of system management.
第二部分从理论上分析了ERP在企业内部供应链管理、外部供应链管理及系统管理效应的三大功能。
The second part analyzes theoretically the ERP's functions in the management of internal and external supply chains, and in the efficiency of system management.
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