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expenditure function

method for calculating price of a utility
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expenditure function

Summary

expenditure function ranks in the top 2% of general entities by monthly Wikipedia readership (7 views/month).[1]

Key Facts

  • expenditure function's subclass of is recorded as function[2].
  • expenditure function's Freebase ID is recorded as /m/03zt0f[3].
  • expenditure function's used by is recorded as microeconomics[4].
  • expenditure function's defining formula is recorded as \delta_{x} (A) = 1_A(x)= \begin{cases} 0, & x \not \in A; \ 1, & x \in A. \end{cases}[5].
  • expenditure function's studied by is recorded as microeconomics[6].
  • expenditure function's Google Knowledge Graph ID is recorded as /g/121dvtsf[7].
  • expenditure function's maintained by WikiProject is recorded as WikiProject Mathematics[8].
  • expenditure function's Microsoft Academic ID is recorded as 2778224381[9].

Why It Matters

expenditure function ranks in the top 2% of general entities by monthly Wikipedia readership (7 views/month).[1] It has Wikipedia articles in 9 language editions, a strong signal of global cultural recognition.[10]

Related Entities

microeconomics

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . Freebase Data Dumps. wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [10] ↑ . Wikidata sitelinks. 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). expenditure function. Retrieved April 10, 2026, from https://4ort.xyz/entity/expenditure-function
MLA “expenditure function.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/expenditure-function.
BibTeX @misc{4ortxyz_expenditure-function_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{expenditure function}}, year = {2026}, url = {https://4ort.xyz/entity/expenditure-function}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): expenditure function — https://4ort.xyz/entity/expenditure-function (retrieved 2026-04-10)

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