CVaR

  • 详情 Empirical Analysis of CVaR Portfolio Model with Capital:Structure Factor and Transaction Cost
    The ignorance of market friction causes the invalid portfolio investment, and whether the arrangement of capital structure is reasonable will influence the income of funding cost, effective utilization of non-selfowned and funding risk level. Therefore, portfolio model under the assumption of complete market lacks of practically instructiveness. Capital structure factor and transaction cost do influence the portfolio decision in the capital market. On the basis of capital structure factor and transaction cost during the process of investment, this article improve the portfolio model that CVaR control proposed by Rockafeller and Uryasev, built a CVaR portfolio model with capital structure factor and transaction cost. Empirical studies indicates that the changes of capital structure factor and transaction cost lead to the movement of efficient frontier on CVaR portfolio model and the changes of upper and lower limit.
  • 详情 养老基金、公益基金资产配置模型研究
    内容摘要:养老基金、公益基金是典型的风险厌恶者,需要刚性规则进行限制和管理风险,同时需要追踪和匹配适当负债。作者综述资产负债匹配的一般模型以及最新模型,并发展CVAR限制下组合优化模型,研究养老基金和公益基金的动态资产配置。 关键词: 养老基金 公益基金 资产配置 ABSTRACT: As typical risk-aversion,we need rigid rules to restrict and manage risks of pension funds,public welfare funds meanwhile tracking and matching equity, this paper develops the asset-liability matching models of pension funds,public welfare funds using CVAR constrains and indexation method ,furthermore to achieve dynamic equity matching.
  • 详情 基于极值理论的沪深股市VaR和CVaR分析
    将VaR 和CVaR结合起来能全面描述金融时间序列与尾部相关的风险。考虑沪深股指收益序列胖尾特性,极值理论方法能够对沪深股市VaR和 CVaR进行较好估计。运用基于Bootstrap和极大似然估计方法解决极值理论数据不足的缺陷,给出对VaR和 CVaR的点估计和区间估计。