石油价格与尼日利亚股市之间的关系：基于分数积分和协整的分析

The relationship between oil prices and the Nigerian stock market. An analysis based on fractional integration and cointegration

• Luis A. Gil-Alaña · 纳瓦拉大学 通讯
• OlaOluwa S. Yaya · 伊巴丹大学