which we expanded subsequently to include a total of 21 categories
(plus two additional ones to account for various dimensions of
authorship). The final version of the taxonomy, plus definitions of
each category, which we used to code all the articles, is contained
in Appendix A. We developed the taxonomy in an iterative fashion.
We began by identifying key themes, as reflected in review articles
and textbooks that described the field of international human
resource management. We then pilot tested several early versions
of the taxonomy by content coding the first 20 years of articles
published in the journal. The pilot test revealed the need for a more
refined classification scheme to cover the broad range of topics in
the field of IHRM.