经济政策不确定性、投资者情绪与黄金价格波动
郑明贵,彭群婷,陶思敏,刘丽珍

Economic Policy Uncertainty,Investor Sentiment and Gold Price Volatility
Minggui ZHENG,Qunting PENG,Simin TAO,Lizhen LIU
表2 GARCH-MIDAS模型估计结果
Table 2 Estimation results of GARCH-MIDAS model
参数参数值

模型(1)

RV

模型(2)

RV+ dCEPU

模型(3)

RV+ dCICSI

模型(4)

RV+ dCEPU+ dCICSI

μ0.03240.05470.03540.0127
α0.1200***0.1303***0.1096***0.1123***
β0.8202***0.8664***0.8932***0.8298***
γ-0.0927***-0.0771***-0.0142
m0.9785***1.0175***0.7053***1.0980***
θ10.0056***0.0054***0.0054***0.0047***
ω125.6940***6.0913***4.2444***1.8970***
θ2-0.0543**1.0934-0.0154**
ω221.2267***1.0000**1.6951***
θ30.1181
ω323.3012**