主要内容

GJR模型

Glosten-Jagannathan-Runkle Garch型号用于波动率集群

If negative shocks contribute more to volatility than positive shocks, then you can model the innovations process using a GJR model and include leverage effects. For details on how to model volatility clustering using a GJR model, seeGJR.

Apps

Econometric Modeler 分析和模型计量经济学时间序列

Functions

expand all

GJR GJR conditional variance time series model
estimate 将条件差异模型拟合到数据
推断 推论条件差异模型的条件差异
总结 Display estimation results of conditional variance model
simulate Monte Carlo simulation of conditional variance models
筛选 Filter disturbances through conditional variance model
forecast 预测条件方差模型的条件差异

示例以及如何

Create Model

Specify GJR Models

Create GJR models usingGJR或计量经济学建模应用程序。

Modify Properties of Conditional Variance Models

改变properti修改模型es using dot notation.

指定条件差异模型创新分布

Specify Gaussian or t distributed innovations process.

指定汇率的条件差异模型

为每日Deutschmark/英镑外汇率创建有条件的差异模型。

Specify Conditional Mean and Variance Models

Create a composite conditional mean and variance model.

Fit Model to Data

Compare Conditional Variance Model Fit Statistics Using Econometric Modeler App

交互式指定并将GARCH,EGARCH和GJR模型拟合到数据。然后,通过比较拟合统计信息来确定最适合数据的模型。

Likelihood Ratio Test for Conditional Variance Models

将两个竞争性的条件差异模型拟合到数据,然后使用似然比测试比较其拟合。

Estimate Conditional Mean and Variance Model

Estimate a composite conditional mean and variance model.

Perform GARCH Model Residual Diagnostics Using Econometric Modeler App

Interactively evaluate model assumptions after fitting data to a GARCH model by performing residual diagnostics.

推断条件差异和残差

Infer conditional variances from a fitted conditional variance model.

Share Results of Econometric Modeler App Session

导出变量到MATLAB®Workspace, generate plain text and live functions that return a model estimated in an app session, or generate a report recording your activities on time series and estimated models in an Econometric Modeler app session.

Using Extreme Value Theory and Copulas to Evaluate Market Risk

此示例显示了如何使用学生的T Copula和极值理论(EVT)使用Monte Carlo模拟技术来模拟假设的全球股权指数投资组合的市场风险。

Generate Monte Carlo Simulations

Simulate Conditional Variance Model

simulate a conditional variance model.

模拟Garch模型

在没有指定预先样本数据的情况下从GARCH过程中模拟。

Simulate Conditional Mean and Variance Models

Simulate responses and conditional variances from a composite conditional mean and variance model.

Generate Minimum Mean Square Error Forecasts

Forecast GJR Models

Generate MMSE forecasts from a GJR model.

Forecast a Conditional Variance Model

Forecast the Deutschmark/British pound foreign exchange rate using a fitted conditional variance model.

预测条件均值和方差模型

Forecast responses and conditional variances from a composite conditional mean and variance model.

Concepts

Econometric Modeler App Overview

计量经济学建模器应用程序是一种交互式工具,用于可视化和分析单变量时间序列数据。

互动指定滞后运算符多项式

使用计量经济学建模者为时间序列模型估算指定滞后运算符术语。

Conditional Variance Models

Learn about models that account for volatility clustering.

Maximum Likelihood Estimation for Conditional Variance Models

Learn how maximum likelihood is carried out for conditional variance models.

Conditional Variance Model Estimation with Equality Constraints

Constrain the model during estimation using known parameter values.

条件差异模型估计的预先样本数据

Specify presample data to initialize the model.

条件方差模型估计的初始值

Specify initial parameter values for estimation.

Optimization Settings for Conditional Variance Model Estimation

Troubleshoot estimation issues by specifying alternative optimization options.

Monte Carlo Simulation of Conditional Variance Models

Learn about Monte Carlo simulation.

Presample Data for Conditional Variance Model Simulation

Learn about presample requirements for simulation.

蒙特卡洛预测条件方差模型

Learn about Monte Carlo forecasting.

MMSE Forecasting of Conditional Variance Models

了解MMSE预测。