Aufsatz(elektronisch)#1Dynamic and Frequency-Domain Spillover Among within and Cross-Country Policy Uncertainty, Crude Oil and Gold Market: Evidence from Us and ChinaIn: JRPO-D-21-01406Huang, Jianbai; Dong, Xuesong; Liu, Jia; Gao, Wang; Zhang, HongweiHuang, Jianbai; Dong, Xuesong; Liu, Jia; Gao, Wang; Zhang, HongweiOpen Access