March-Dallas, Samique, Robert Daigler, Suchi Mishra, and Arun Prakash. “Exchange Traded Funds: Co-Integration and the U-Shape”. Journal of Accounting and Finance 19, no. 6 (October 18, 2019). Accessed July 22, 2024. https://articlegateway.com/index.php/JAF/article/view/2314.