With the constant pressure on academics to publish research papers, there is a temptation for research groups to include “coauthors” who have not really made any contribution to the manuscript. This seems more prevalent in some fields (e.g., the health sciences) than others. Occasionally, I am asked to add an author to a paper that has already been accepted for publication in the International Journal of Forecasting. I am very reluctant to do this as it is hard to imagine how someone could be left off a paper while it goes through several revisions, only to be remembered after the …