# How to assess sustainability of suppliers in the presence of volume discount and negative data in data envelopment analysis?

> Research article (Annals of Operations Research, 2018) · cited 26× · AI/ML

**Wikidata**: [openalex:W2790499870](https://www.wikidata.org/wiki/openalex:W2790499870)  
**Source**: https://4ort.xyz/entity/how-to-assess-sustainability-of-suppliers-in-the-presence-of-volume-discount-and-negative-data-in-data-envelopment-analy