We now turn to the main focus and contribution in our paper, the HR system guiding between-firm activities and the
contingencies that support achieving desired performance outcomes from adopting a supply chain orientation. First, we discuss
five specific principles that we propose offer a foundation for designing an HR system that supports and leverages SCO. Next, as
illustrated in Fig. 1, we describe five specific inter-organizational relationship contingencies that moderate the positive influence
of an SCO-oriented HR system on organizational performance. In other words, the influence of a strong SCO-oriented HR system
will be moderated by these contingent relationships characterizing the supply chain