Retraction notice to ‘Optimal bidding strategy of multi-carrier systems in electricity markets using information gap decision theory’ [Energy 280 (2023) 128043]

This article has been retracted: please see Elsevier Policy on Article Withdrawal ( https://www.elsevier.com/locate/withdrawalpolicy ). This article has been retracted at the request of the Editor-in-Chief. Post-publication, the Editor-in-Chief discovered unauthorized changes in authorship between the original submission and the revised version of this paper. In summary, the authors Ying Xue & Shoujun Huang were removed from the paper and the authors Zhouding Liu & Morteza Nazari-Heris were added to the revised paper without explicit approval by the journal Editor, which is contrary to the journal policy on changes to authorship. Morteza Nazari-Heris stated that he was unaware of the submission and eventual publication of this paper and that his name was added without his permission. The author Zhouding Liu failed to provide a satisfactory explanation to the above points. This breach of the journal's publishing policies caused the editor to lose confidence in the integrity of the article. The Editor-in-Chief regrets the unauthorized use of the name of Morteza Nazari-Heris.