RETRACTED ARTICLE: A generalized real option pricing method of R&D investments: jump diffusion and external competition

Abstract

We, the Editors and Publisher of Journal of Difference Equations and Applications, have retracted the following article, which was part of the ‘Special Issue on Iteration Theory and Applications’: Xiang Ao, Ji-jun Yang, Ben-zhang Yang & M.T. de Bustos (2019) A generalized real option pricing method of R&D investments: jump diffusion and external competition, Journal of Difference Equations and Applications, 25:9–10, 1438–1453, DOI: 10.1080/10236198.2019.1661394 Following an investigation by the Taylor & Francis Research Integrity and Ethics team, it was discovered post-publication that this article was not peer reviewed appropriately, in line with the Journal's peer review standards and policy. As the stringency of the peer review process is core to the integrity of the publication process, the Editor and Publisher have taken the decision to retract this article. The handling Guest Editor was unable to confirm how reviewers were invited and whether the handling of this paper was in line with the expected standards of the journal. The journal has not received a response from the reviewers. The journal is committed to correcting the scientific record and will fully cooperate with any institutional investigations into this matter. The authors have been informed of this decision. The authors have agreed to retract the article. We have been informed in our decision-making by our editorial policies and the COPE guidelines. The retracted articles will remain online to maintain the scholarly record, but they will be digitally watermarked on each page as ‘Retracted’.