In this article we examine changes in the patterns of collaboration among information systems researchers since 1987, in terms of number of authors and order of authorship. The proportion of multiple authored papers, particularly among articles published in more prestigious journals, increased significantly. One possible explanation may be in increased research complexity, as evidenced by much longer papers. At the same time, among prestigious journals, the alphabetical model for ordering authorship all but disappeared. The article calls for consideration of a standard for authorship order in IS research
