《Allocation of risk capital in a cost cooperative game induced by a
modified Expected Shortfall》
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作者:
Bernardi Mauro and Roy Cerqueti and Arsen Palestini
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最新提交年份:
2016
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英文摘要:
The standard theory of coherent risk measures fails to consider individual institutions as part of a system which might itself experience instability and spread new sources of risk to the market participants. In compliance with an approach adopted by Shapley and Shubik (1969), this paper proposes a cooperative market game where agents and institutions play the same role can be developed. We take into account a multiple institutions framework where some of them jointly experience distress events in order to evaluate their individual and collective impact on the remaining institutions in the market. To carry out this analysis, we define a new risk measure (SCoES), generalising the Expected Shortfall of Acerbi (2002) and we characterise the riskiness profile as the outcome of a cost cooperative game played by institutions in distress (a similar approach was adopted by Denault 2001). Each institution\'s marginal contribution to the spread of riskiness towards the safe institutions in then evaluated by calculating suitable solution concepts of the game such as the Banzhaf--Coleman and the Shapley--Shubik values.
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中文摘要:
一致性风险度量的标准理论未能将单个机构视为系统的一部分,该系统本身可能会经历不稳定并向市场参与者传播新的风险源。根据Shapley和Shubik(1969)所采用的方法,本文提出了一个合作市场博弈,其中代理人和机构可以扮演相同的角色。我们考虑了一个多机构框架,其中一些机构共同经历了困境事件,以评估其对市场上其余机构的个人和集体影响。为了进行这一分析,我们定义了一个新的风险度量(SCoES),概括了Acerbi(2002)的预期缺口,并将风险状况描述为处于困境的机构进行的成本合作博弈的结果(Denault 2001年采用了类似的方法)。然后,通过计算适当的博弈解概念,如班扎夫-科尔曼值和沙普利-舒比克值,评估每个机构对风险向安全机构扩散的边际贡献。
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分类信息:
一级分类:Quantitative Finance 数量金融学
二级分类:Mathematical Finance 数学金融学
分类描述:Mathematical and analytical methods of finance, including stochastic, probabilistic and functional analysis, algebraic, geometric and other methods
金融的数学和分析方法,包括随机、概率和泛函分析、代数、几何和其他方法
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一级分类:Quantitative Finance 数量金融学
二级分类:Risk Management 风险管理
分类描述:Measurement and management of financial risks in trading, banking, insurance, corporate and other applications
衡量和管理贸易、银行、保险、企业和其他应用中的金融风险
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