# Economies-of-Scale in Many-Server Queueing Systems: Tutorial and Partial Review of the QED Halfin--Whitt Heavy-Traffic Regime

> Research article (SIAM Review, 2019) · cited 58× · AI/ML

**Wikidata**: [openalex:W2965881219](https://www.wikidata.org/wiki/openalex:W2965881219)  
**Source**: https://4ort.xyz/entity/economies-of-scale-in-many-server-queueing-systems-tutorial-and-partial-review-of-the-qed-halfin-whitt-heavy-traffic-reg