Quantifying the Portfolio Effect in Network Labor and Customer Inventory

Apr 2, 2026

Authored by Matt Waller, founder of the #1-ranked Supply Chain Management program in North America (Gartner) and a widely cited supply chain scholar, this white paper provides a quantitative framework for evaluating network-wide labor pooling in distribution networks and cross-docking operations and for understanding how improvements in labor allocation propagate into customer inventory.

This white paper was produced by Kitestring and authored by Matt Waller as part of a paid engagement with ArcBest. ArcBest reviewed this paper for factual accuracy related to its products and provided supporting information. The views expressed are those of the author.