原油市场是否随时间变得弱有效?价格和波动率时变长程依赖性检验

Are the crude oil markets becoming weakly efficient over time? A test for time-varying long-range dependence in prices and volatility

Energy Economics · 2006
被引 238
人大 A-ABS 3
能源经济学金融市场效率时间序列分析波动率建模