次贷危机改变了世界资本市场的风险格局吗?——基于Copula函数的协同效应检验
차대위궤개변료세계자본시장적풍험격국마?——기우Copula함수적협동효응검험
Has Sub-mortgage Crisis Changed the Risk Structure of World Capital Market?——Measurement of Synergy Effects Based on Copula Functions
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