Correction to: Eliminating congestion in China's papermaking and paper products industry: from both the perspective of increasing and decreasing inputs.

This document is a correction notice for an article titled "Eliminating congestion in China's papermaking and paper products industry: from both the perspective of increasing and decreasing inputs" published in the Journal of Productivity Analysis. The authors acknowledge that there is overlap and duplication between their paper and a previously published paper, and they apologize for not acknowledging this in their article. The correction notice provides the correct citation for the original article and states that the authors regret the lack of transparency regarding the similarities between the two papers. [Extracted from the article]