Herfindahl index

measure of the size of firms in relation to the industry and an indicator of the amount of competition among them
Place index_number Q370089
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Herfindahl index

Summary

Herfindahl index is an index number[1]. It draws 1,047 Wikipedia views per month (index_number category, ranking #7 of 47).[2]

Key Facts

  • Herfindahl index's instance of is recorded as index number[3].
  • Herfindahl index's instance of is recorded as method[4].
  • Orris C. Herfindahl is named after Herfindahl index[5].
  • Albert O. Hirschman is named after Herfindahl index[6].
  • Herfindahl index is a type of concentration ratio[7].
  • Herfindahl index's studied by is recorded as economics[8].
  • Herfindahl index's maintained by WikiProject is recorded as WikiProject Mathematics[9].

Body

Designation and Status

Recorded instance of include index number[3] and method[4].

History and Context

Things named after include Orris C. Herfindahl[5], an economist[10], 1918–1972[11] and Albert O. Hirschman[6], an economist[12], 1915–2012[13], of United States[14], awarded the Leontief Prize for Advancing the Frontiers of Economic Thought[15], specialised in economics[16].

Why It Matters

Herfindahl index draws 1,047 Wikipedia views per month (index_number category, ranking #7 of 47).[2] It has Wikipedia articles in 16 language editions, a strong signal of global cultural recognition.[17] It is known by 8 alternative names across languages and contexts.[18]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.

Inline context (facts about related entities)

  1. [10] . Wikidata. wikidata.org. → on this site
  2. [11] . Wikidata. wikidata.org. → on this site
  3. [12] . Wikidata. wikidata.org. → on this site
  4. [13] . Wikidata. wikidata.org. → on this site
  5. [14] . Wikidata. wikidata.org. → on this site
  6. [15] . Wikidata. wikidata.org. → on this site
  7. [16] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [17] . Wikidata sitelinks. wikidata.org.
  3. [18] . Wikidata aliases. wikidata.org.

📑 Cite this page

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.

APA 4ort.xyz Knowledge Graph. (2026). Herfindahl index. Retrieved May 3, 2026, from https://4ort.xyz/entity/herfindahl-index
MLA “Herfindahl index.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/herfindahl-index.
BibTeX @misc{4ortxyz_herfindahl-index_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Herfindahl index}}, year = {2026}, url = {https://4ort.xyz/entity/herfindahl-index}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Herfindahl index — https://4ort.xyz/entity/herfindahl-index (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/herfindahl-index · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 15d ago · InternetArchiveBot bot · 2026-05-19 view diff on Wikidata ↗
    Instance of index number, method
    Named after
    Studied by economics
    Aliases
    + 5 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-references:1||1|2 */ [[Property:P10283]]: C2777998853, Rescuing 1 sources and submitting 0 for archiving. #IABot (v2.0.9.5)"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.