Jules Dupuit
E302406
Jules Dupuit was a 19th-century French engineer and economist known for pioneering the concepts of consumer surplus and marginal utility in public economics.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Jules Dupuit canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T1816794 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Jules Dupuit Context triple: [École des Ponts et Chaussées, hasAlumni, Jules Dupuit]
-
A.
Jean-François-Thérèse Chalgrin
Jean-François-Thérèse Chalgrin was a prominent French neoclassical architect best known for designing Paris’s Arc de Triomphe.
-
B.
Théodore Maunoir
Théodore Maunoir was a Swiss physician and humanitarian who was one of the key co-founders of the International Committee of the Red Cross in the 19th century.
-
C.
Eustache Dauger
Eustache Dauger was a mysterious 17th-century French prisoner whose obscure identity and long, secretive incarceration led some historians to speculate that he was the real person behind the legend of the Man in the Iron Mask.
-
D.
Joseph-François Mangin
Joseph-François Mangin was a French-American architect best known for co-designing New York City Hall in the early 19th century.
-
E.
François Dupeyron
François Dupeyron was a French film director and screenwriter known for his humanistic, character-driven dramas.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Jules Dupuit Target entity description: Jules Dupuit was a 19th-century French engineer and economist known for pioneering the concepts of consumer surplus and marginal utility in public economics.
-
A.
Jean-François-Thérèse Chalgrin
Jean-François-Thérèse Chalgrin was a prominent French neoclassical architect best known for designing Paris’s Arc de Triomphe.
-
B.
Théodore Maunoir
Théodore Maunoir was a Swiss physician and humanitarian who was one of the key co-founders of the International Committee of the Red Cross in the 19th century.
-
C.
Eustache Dauger
Eustache Dauger was a mysterious 17th-century French prisoner whose obscure identity and long, secretive incarceration led some historians to speculate that he was the real person behind the legend of the Man in the Iron Mask.
-
D.
Joseph-François Mangin
Joseph-François Mangin was a French-American architect best known for co-designing New York City Hall in the early 19th century.
-
E.
François Dupeyron
François Dupeyron was a French film director and screenwriter known for his humanistic, character-driven dramas.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
French economist
ⓘ
French engineer ⓘ economist ⓘ engineer ⓘ human ⓘ |
| areaOfInfluence |
infrastructure planning
ⓘ
public economics ⓘ transport economics ⓘ |
| contributedTo |
development of consumer surplus as an area under the demand curve
ⓘ
early formalization of marginal utility in economic analysis ⓘ economic evaluation of public works projects ⓘ pricing theory for roads, bridges, and railways ⓘ |
| countryOfCitizenship | France ⓘ |
| employer | Corps des ponts et chaussées ⓘ |
| familyName | Dupuit ⓘ |
| fieldOfWork |
civil engineering
ⓘ
economics ⓘ microeconomics ⓘ public economics ⓘ welfare economics ⓘ |
| givenName | Jules ⓘ |
| influenced |
cost–benefit analysis in public policy
ⓘ
later marginalist economists ⓘ theory of public goods pricing ⓘ welfare economics ⓘ |
| languageOfWorkOrName | French ⓘ |
| movement | classical economics ⓘ |
| notableConcept |
consumer surplus
ⓘ
demand curve as marginal utility schedule ⓘ economic surplus ⓘ marginal utility ⓘ optimal tolls for public infrastructure ⓘ |
| notableFor |
analysis of pricing for public works and infrastructure
ⓘ
demand curve interpretation as marginal utility curve ⓘ early work on marginal utility ⓘ foundational contributions to cost–benefit analysis ⓘ pioneering the concept of consumer surplus ⓘ theory of optimal tolls and tariffs for public utilities ⓘ |
| occupation |
civil servant
ⓘ
economist ⓘ engineer ⓘ |
| sexOrGender | male ⓘ |
| workLocation |
France
ⓘ
Paris ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Jules Dupuit Description of subject: Jules Dupuit was a 19th-century French engineer and economist known for pioneering the concepts of consumer surplus and marginal utility in public economics.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.