Risk Measure Inference
风险度量的统计推断AI 解读 ↓
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AI 根据所提供的论文材料归类:摘要围绕条件风险度量的检验、金融机构的风险分组及系统性风险应用展开,直接支持尾部与系统性风险方向。
风险度量的统计推断AI 解读 ↓
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We propose a bootstrap-based test of the null hypothesis of equality of two firms’ conditional risk measures (RMs) at a single point in time. The test can be applied to a wide class of conditional risk measures issued from parametric or semiparametric models. Our iterative testing procedure produces a grouped ranking of the RMs, which has direct application for systemic risk analysis. Firms within a group are statistically indistinguishable from each other, but significantly more risky than the firms belonging to lower ranked groups. A Monte Carlo simulation demonstrates that our test has good size and power properties. We apply the procedure to a sample of 94 U.S. financial institutions using ΔCoVaR, MES, and %SRISK. We find that for some periods and RMs, we cannot statistically distinguish the 40 most risky firms due to estimation uncertainty.