能源市场与全球金融市场之间的时变联动：对投资组合多样化和对冲策略的启示

Time-varying co-movements between energy market and global financial markets: Implication for portfolio diversification and hedging strategies

• Ahmed H. Elsayed · 杜伦大学 通讯
• Samia Nasreen
• Aviral Kumar Tiwari