This is because CVaR possess the characteristic as subadditivity while VaR has no this nature, so compared to VaR calculated based on AR-GARCH, CVaR can be better to control the risks of the tail.
这是由于CVaR方法满足次可加性的这条性质优于VaR方法,和基于GARCH的VaR方法相比,能更好的对尾部风险进行控制。
参考来源 - VaR和CVaR在商业银行利率风险管理中的应用The natural monopoly industries, with their unique characteristics of cost subadditivity and economies of scale, are widely regulated by the government.
自然垄断行业,因其成本劣加性和规模经济的特性,受到政府普遍的规制。
参考来源 - 自然垄断行业的规制与改革broadband business; marketing tactic; the property chain ; the network safety; subadditivity;interlinkage.
宽带业务;营销策略;产业链;网络安全;弱可加性;互联互通机制。
参考来源 - 宽带市场分析及宽带业务营销策略研究·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
The characteristic of the natural monopoly of the latest definition is the cost subadditivity.
最新定义的自然垄断的特点是代表性企业成本函数的弱增性。
Natural monopoly is characterized by economies of scale and production cost subadditivity in the traditional and new theory of natural monopoly.
现有自然垄断理论从规模经济和成本劣加性定义了自然垄断。
The natural monopoly is mainly shown as economies of scale, economies of scope, economies of network and sunk cost, etc, but its basic characteristic is the subadditivity of cost.
自然垄断的特征与规模经济、范围经济、网络经济和沉没成本有着紧密联系，但其根本特征是成本的劣加性。
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