Xu K. Basis Risk Analysis and Countermeasures for Enterprises’ Commodity Price Risk Management by Using Futures Hedging Strategy -- A Case Study of “Metallgesellschaft” Hedging Failure. HBEM [Internet]. 2023 Jun. 28 [cited 2026 Jun. 27];15:255-9. Available from: https://drpress.org/ojs/index.php/HBEM/article/view/9403