Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.
APA4ort.xyz Knowledge Graph. (2026). Learning in Auctions: Regret is Hard, Envy is Easy. Retrieved May 24, 2026, from https://4ort.xyz/entity/learning-in-auctions-regret-is-hard-envy-is-easy
MLA“Learning in Auctions: Regret is Hard, Envy is Easy.” 4ort.xyz Knowledge Graph, 4ort.xyz, 24 May. 2026, https://4ort.xyz/entity/learning-in-auctions-regret-is-hard-envy-is-easy.
BibTeX@misc{4ortxyz_learning-in-auctions-regret-is-hard-envy-is-easy_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Learning in Auctions: Regret is Hard, Envy is Easy}}, year = {2026}, url = {https://4ort.xyz/entity/learning-in-auctions-regret-is-hard-envy-is-easy}, note = {Accessed: 2026-05-24}}
LLM promptAccording to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Learning in Auctions: Regret is Hard, Envy is Easy — https://4ort.xyz/entity/learning-in-auctions-regret-is-hard-envy-is-easy (retrieved 2026-05-24)