In this paper, we investigate the extent to which precious metals can be used as a hedge from the perspective of global supply chain uncertainty (GSCU), which is significant for obtaining higher investment returns. This exploration uses the wavelet-based quantile-on-quantile regression (QQR)...

In the current context of the scarcity of fossil energy and the large-scale development and utilization of new energy sources, the power system is developing in the direction of multi-source synergy and interconnection. Demand response technology and energy storage technology have become...