Swanson's law

photovoltaic pricing observation

Thing Rule Of Thumb Q3078637

Swanson's law — Delphi234 · Public Domain · Wikimedia

Facts

4 properties

Instance of: rule of thumb
Facet of: photovoltaics^[3]
Named after: Richard Swanson^[2]
Uses: learning curve, experience curve effects^[4]^[5]

🏷️ Also known as

en Swanson's law ar قانون سوانسون es Ley de Swanson fi Swansonin laki fr Loi de Swanson ja スワンソンの法則 nl Wet van Swanson pl Prawo Swansona ru закон Свансона sv Swansons lag uk правило Свенсона uk Свенсона правило

🔖 Identifiers · 2

Freebase ID: /m/0pcm3r7
Microsoft Academic ID (discontinued): 2779248913

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections

Uses 2

learning curve, experience curve effects

Facet of 1

photovoltaics

Instance of 1

rule of thumb

Press Enter · cited answer in seconds

Summary

Swanson's law is a rule of thumb^[1].

References

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

Direct Wikidata claims

[2] ↑ Swanson's law — named after (P138): Richard Swanson. wikidata.org.
[3] ↑ Swanson's law — facet of (P1269): photovoltaics. Retrieved 2024-08-09. wikidata.org.
[4] ↑ Swanson's law — uses (P2283): learning curve. Retrieved 2024-08-09. wikidata.org.
[5] ↑ Swanson's law — uses (P2283): experience curve effects. Retrieved 2024-08-09. wikidata.org.

Class ancestry

[1] ↑ Swanson's law is an instance of rule of thumb (Q1398821) [P31, primary]. Wikidata. 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). Swanson's law. Retrieved November 7, 2026, from https://4ort.xyz/entity/swanson-s-law

MLA “Swanson's law.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 Nov. 2026, https://4ort.xyz/entity/swanson-s-law.

BibTeX

@misc{4ortxyz_swanson-s-law_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Swanson's law}}, year = {2026}, url = {https://4ort.xyz/entity/swanson-s-law}, note = {Accessed: 2026-11-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Swanson's law — https://4ort.xyz/entity/swanson-s-law (retrieved 2026-11-07)

Canonical URL: https://4ort.xyz/entity/swanson-s-law · Last refreshed: November 7, 2026