hydraulic economic computer MONIAC
E862171
The hydraulic economic computer MONIAC is an analog machine built in the late 1940s that uses flowing colored water through tanks and pipes to simulate and visualize the workings of a national economy.
All labels observed (1)
| Label | Occurrences |
|---|---|
| hydraulic economic computer MONIAC canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10414200 — 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: hydraulic economic computer MONIAC Context triple: [A. W. Phillips, developed, hydraulic economic computer MONIAC]
-
A.
Klein–Tinbergen macroeconometric models
The Klein–Tinbergen macroeconometric models are pioneering large-scale quantitative models of national economies that integrated economic theory with statistical estimation to analyze and forecast macroeconomic activity.
-
B.
Colossus computers
Colossus computers were pioneering British electronic computing machines built during World War II to help decrypt high-level German communications at Bletchley Park.
-
C.
Harvard Mark IV computer
The Harvard Mark IV computer was an early fully electronic, stored-program computer built at Harvard University in the late 1940s–early 1950s as part of the Mark series of pioneering computing machines.
-
D.
Harvard Mark III computer
The Harvard Mark III computer was an early electromechanical/digital hybrid computer developed in the late 1940s that advanced stored-program concepts and military computation at Harvard University.
-
E.
Modigliani–Brumberg model
The Modigliani–Brumberg model is an economic life-cycle theory explaining how individuals plan consumption and saving over their lifetimes to smooth living standards despite changing income.
- 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: hydraulic economic computer MONIAC Target entity description: The hydraulic economic computer MONIAC is an analog machine built in the late 1940s that uses flowing colored water through tanks and pipes to simulate and visualize the workings of a national economy.
-
A.
Klein–Tinbergen macroeconometric models
The Klein–Tinbergen macroeconometric models are pioneering large-scale quantitative models of national economies that integrated economic theory with statistical estimation to analyze and forecast macroeconomic activity.
-
B.
Colossus computers
Colossus computers were pioneering British electronic computing machines built during World War II to help decrypt high-level German communications at Bletchley Park.
-
C.
Harvard Mark IV computer
The Harvard Mark IV computer was an early fully electronic, stored-program computer built at Harvard University in the late 1940s–early 1950s as part of the Mark series of pioneering computing machines.
-
D.
Harvard Mark III computer
The Harvard Mark III computer was an early electromechanical/digital hybrid computer developed in the late 1940s that advanced stored-program concepts and military computation at Harvard University.
-
E.
Modigliani–Brumberg model
The Modigliani–Brumberg model is an economic life-cycle theory explaining how individuals plan consumption and saving over their lifetimes to smooth living standards despite changing income.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
analog computer
ⓘ
economic simulator ⓘ hydraulic computer ⓘ teaching device ⓘ |
| alsoKnownAs |
Phillips Machine
NERFINISHED
ⓘ
hydraulic economic computer MONIAC NERFINISHED ⓘ |
| builtIn | late 1940s ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| designedFor |
classroom demonstration
ⓘ
policy experimentation ⓘ |
| developerAffiliation | London School of Economics NERFINISHED ⓘ |
| developmentStartDate | 1949 ⓘ |
| era | post-World War II ⓘ |
| exhibitedAt |
London School of Economics
NERFINISHED
ⓘ
various universities worldwide ⓘ |
| fullName | Monetary National Income Analogue Computer NERFINISHED ⓘ |
| hasComponent |
pipes
ⓘ
pumps ⓘ reservoirs ⓘ tanks ⓘ transparent panels ⓘ valves ⓘ |
| historicalSignificance |
early analog computer for economics
ⓘ
pioneering physical model of a national economy ⓘ |
| inputType | adjustable valves and settings ⓘ |
| inventor |
A. W. H. Phillips
NERFINISHED
ⓘ
Bill Phillips NERFINISHED ⓘ |
| outputType | water levels and flow rates ⓘ |
| physicalPrinciple | hydraulic flow analogy ⓘ |
| powerSource | electric pump ⓘ |
| primaryPurpose |
to simulate a national economy
ⓘ
to teach macroeconomics ⓘ to visualize flows of national income ⓘ |
| represents |
consumption
ⓘ
exports ⓘ government spending ⓘ imports ⓘ investment ⓘ money supply flows ⓘ national income ⓘ savings ⓘ taxation ⓘ |
| scale | room-sized machine ⓘ |
| simulationDomain |
Keynesian economics
ⓘ
macroeconomics ⓘ national income accounting ⓘ |
| technologyType | pre-digital computing device ⓘ |
| usesMedium |
colored water
ⓘ
water ⓘ |
| visualizationMethod | flowing colored water ⓘ |
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: hydraulic economic computer MONIAC Description of subject: The hydraulic economic computer MONIAC is an analog machine built in the late 1940s that uses flowing colored water through tanks and pipes to simulate and visualize the workings of a national economy.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.