相关实验视频
Updated: May 24, 2025

05:37
An R-Based Landscape Validation of a Competing Risk Model
Published on: September 16, 2022
2.0K
根据CEV模型,具有时间一致的强大投资再保险策略,具有常见的冲击依赖性
Lu Li1, Zhijian Qiu1
1School of Mathematics, Southwestern University of Finance and Economics,Chengdu, Sichuan, China.
PloS one
|February 28, 2025
概括
本研究确定了对常见冲击依赖索赔的模两可的保险公司的最佳投资和再保险策略. 这些发现为在不确定性下运作的保险公司提供了对稳健风险管理的见解.
科学领域:
- 量化金融 量化金融
- 风险管理 风险管理
- 保险数学 保险数学
背景情况:
- 保险公司面临的复杂风险来自常见的冲击依赖索赔.
- 对模两可的厌恶对保险和投资的决策产生了重大影响.
- 动态的金融市场,就像那些具有恒定波动弹性 (CEV) 模型的金融市场一样,增加了复杂性的层次.
研究的目的:
- 为一个模两可的保险公司 (AAI) 推导出最佳的稳健平衡投资和再保险策略.
- 分析避免模糊性和市场动态对风险管理决策的影响.
- 为优化不确定性下保险公司财富流程提供一个框架.
主要方法:
- 使用游戏理论框架与平均方差标准.
- 应用随机控制理论来解决扩展的汉密尔顿-雅各比-贝尔曼 (HJB) 方程.
- 开发基于预期价值原则的保费比例再保险模型.
主要成果:
- 强大的最佳投资再保险策略得到了推导.
- 获得了对模两可的保险公司的平衡值函数.
- 数字示例展示了各种参数对最佳策略的影响.
结论:
- 该研究成功地概述了在模两可的情况下投资和再保险的强大最佳策略.
- 这些发现强调了在保险公司决策中考虑避免模两可的重要性.
- 衍生策略为保险公司管理依赖风险和市场波动提供了实际影响.
相关概念视频
Parametric Survival Analysis: Weibull and Exponential Methods
322
Parametric survival analysis models survival data by assuming a specific probability distribution for the time until an event occurs. The Weibull and exponential distributions are two of the most commonly used methods in this context, due to their versatility and relatively straightforward application.
Weibull Distribution
The Weibull distribution is a flexible model used in parametric survival analysis. It can handle both increasing and decreasing hazard rates, depending on its shape parameter...
Weibull Distribution
The Weibull distribution is a flexible model used in parametric survival analysis. It can handle both increasing and decreasing hazard rates, depending on its shape parameter...
322
Actuarial Approach
53
The actuarial approach, a statistical method originally developed for life insurance risk assessment, is widely used to calculate survival rates in clinical and population studies. This method accounts for participants lost to follow-up or those who die from causes unrelated to the study, ensuring a more accurate representation of survival probabilities.
Consider the example of a high-risk surgical procedure with significant early-stage mortality. A two-year clinical study is conducted,...
Consider the example of a high-risk surgical procedure with significant early-stage mortality. A two-year clinical study is conducted,...
53
Econometric Views (EViews)
100
Econometric Views, often stylized as EViews, is a package that merges statistical analysis with econometric studies. It is designed to provide tools for time series analysis, forecasting, and econometric model simulation. The software originated from MicroTSP software and has evolved significantly since its inception in 1981. The history of EViews is marked by a continuous effort to enhance its computational speed and user interface. It was initially developed for large computing systems but...
100
Multicompartment Models: Overview
79
Multicompartment models are mathematical constructs that depict how drugs are distributed and eliminated within the body. They segment the body into several compartments, symbolizing various physiological or anatomical areas connected through drug transfer processes such as absorption, metabolism, distribution, and elimination.
These models offer a more comprehensive representation of drug behavior in the body than one-compartment models. They accommodate the complexity of drug distribution,...
These models offer a more comprehensive representation of drug behavior in the body than one-compartment models. They accommodate the complexity of drug distribution,...
79
BIBO stability of continuous and discrete -time systems
321
System stability is a fundamental concept in signal processing, often assessed using convolution. For a system to be considered bounded-input bounded-output (BIBO) stable, any bounded input signal must produce a bounded output signal. A bounded input signal is one where the modulus does not exceed a certain constant at any point in time.
To determine the BIBO stability, the convolution integral is utilized when a bounded continuous-time input is applied to a Linear Time-Invariant (LTI) system....
To determine the BIBO stability, the convolution integral is utilized when a bounded continuous-time input is applied to a Linear Time-Invariant (LTI) system....
321
Assumptions of Survival Analysis
84
Survival models analyze the time until one or more events occur, such as death in biological organisms or failure in mechanical systems. These models are widely used across fields like medicine, biology, engineering, and public health to study time-to-event phenomena. To ensure accurate results, survival analysis relies on key assumptions and careful study design.
84

