英文标题:
《Asymmetric linkages: maxmin vs. reflected maxmin copulas》
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作者:
Damjana Kokol Bukov\\v{s}ek, Toma\\v{z} Ko\\v{s}ir, Bla\\v{z}
Moj\\v{s}kerc, and Matja\\v{z} Omladi\\v{c}
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最新提交年份:
2019
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英文摘要:
In this paper we introduce some new copulas emerging from shock models. It was shown earlier that reflected maxmin copulas (RMM for short) are not just some specific singular copulas; they contain many important absolutely continuous copulas including the negative quadrant dependent part of the Eyraud-Farlie-Gumbel-Morgenstern class. The main goal of this paper is to develop the RMM copulas with dependent endogenous shocks and give evidence that RMM copulas may exhibit some characteristics better than the original maxmin copulas (MM for short): (1) An important evidence for that is the iteration procedure of the RMM transformation which we prove to be always convergent and we give many properties of it that are useful in applications. (2) Using this result we find also the limit of the iteration procedure of the MM transformation thus answering a question proposed earlier by Durante, Omladi\\v{c}, Ora\\v{z}em, and Ru\\v{z}i\\\'{c}. (3) We give the multivariate dependent RMM copula that compares to the MM version given by Durante, Omladi\\v{c}, Ora\\v{z}em, and Ru\\v{z}i\\\'{c}. In all our copulas the idiosyncratic and systemic shocks are combined via asymmetric linking functions as opposed to Marshall copulas where symmetric linking functions are used.
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中文摘要:
本文介绍了冲击模型中出现的一些新的copula。前面已经证明,反射的最大最小copula(简称RMM)不仅仅是一些特定的单数copula;它们包含许多重要的绝对连续copula,包括Eyraud-Farlie-Gumbel-Morgenstern类的负象限依赖部分。本文的主要目的是发展具有相依内生冲击的RMM copulas,并证明RMM copulas可能表现出比原始maxmin copulas(简称MM)更好的一些特性:(1)一个重要的证据是RMM变换的迭代过程,我们证明它总是收敛的,并且我们给出了它的许多性质,这些性质在应用。(2) 利用这个结果,我们还发现了MM变换迭代过程的极限,从而回答了Durante、Omladi{c}、Ora{z}em和Ru{z}i{c}之前提出的一个问题。(3) 我们给出了多元相关RMM copula,它与Durante、Omladi{c}、Ora{z}em和Ru{z}i{c}给出的MM版本进行了比较。在我们所有的连接函数中,特质冲击和系统冲击通过不对称连接函数组合,而马歇尔连接函数使用对称连接函数。
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分类信息:
一级分类:Mathematics 数学
二级分类:Statistics Theory 统计理论
分类描述:Applied, computational and theoretical statistics: e.g. statistical inference, regression, time series, multivariate analysis, data analysis, Markov chain Monte Carlo, design of experiments, case studies
应用统计、计算统计和理论统计:例如统计推断、回归、时间序列、多元分析、数据分析、马尔可夫链蒙特卡罗、实验设计、案例研究
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一级分类:Mathematics 数学
二级分类:Probability 概率
分类描述:Theory and applications of probability and stochastic processes: e.g. central limit theorems, large deviations, stochastic differential equations, models from statistical mechanics, queuing theory
概率论与随机过程的理论与应用:例如中心极限定理,大偏差,随机微分方程,统计力学模型,排队论
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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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一级分类:Statistics 统计学
二级分类:Statistics Theory 统计理论
分类描述:stat.TH is an alias for math.ST. Asymptotics, Bayesian Inference, Decision Theory, Estimation, Foundations, Inference, Testing.
Stat.Th是Math.St的别名。渐近,贝叶斯推论,决策理论,估计,基础,推论,检验。
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