Harrod–Domar growth model

E762520

Keynesian macroeconomic model economic growth model

The Harrod–Domar growth model is an early Keynesian economic framework that explains long-run economic growth in terms of savings rates and capital-output ratios, highlighting inherent instability in growth paths.

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All labels observed (6)

Label	Occurrences
Harrod–Domar growth model canonical	7
Harrodian growth model	1
Harrod‑Domar growth model	1
Harrod–Domar development planning models	1
Harrod–Domar-type growth analysis	1
Harrod’s warranted growth theory	1

How this entity was disambiguated

This entity first appeared as the object of triple T8825367 — 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: Harrod–Domar growth model
Context triple: [Kaldor growth model, relatedConcept, Harrod–Domar growth model]

A. Kaldor growth model
The Kaldor growth model is a post-Keynesian economic framework that explains long-run economic growth through the interaction of capital accumulation, income distribution, and demand-driven dynamics.
B. Solow growth model
The Solow growth model is a foundational economic framework that explains long-run economic growth through capital accumulation, labor or population growth, and exogenous technological progress.
C. Kaldor–Verdoorn law
The Kaldor–Verdoorn law is an economic principle that posits a positive relationship between the growth of output and the growth of labor productivity, often used to explain cumulative and self-reinforcing processes in industrial growth.
D. Ramsey–Cass–Koopmans model
The Ramsey–Cass–Koopmans model is a foundational neoclassical growth model in macroeconomics that analyzes optimal savings, consumption, and capital accumulation over time in a perfectly competitive economy.
E. Kaldor’s stylized facts of economic growth
Kaldor’s stylized facts of economic growth are a set of empirical regularities about long-run economic development—such as stable capital-output ratios and rising labor productivity—that guided modern theories of growth and distribution.
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: Harrod–Domar growth model
Target entity description: The Harrod–Domar growth model is an early Keynesian economic framework that explains long-run economic growth in terms of savings rates and capital-output ratios, highlighting inherent instability in growth paths.

A. Kaldor growth model
The Kaldor growth model is a post-Keynesian economic framework that explains long-run economic growth through the interaction of capital accumulation, income distribution, and demand-driven dynamics.
B. Solow growth model
The Solow growth model is a foundational economic framework that explains long-run economic growth through capital accumulation, labor or population growth, and exogenous technological progress.
C. Kaldor–Verdoorn law
The Kaldor–Verdoorn law is an economic principle that posits a positive relationship between the growth of output and the growth of labor productivity, often used to explain cumulative and self-reinforcing processes in industrial growth.
D. Ramsey–Cass–Koopmans model
The Ramsey–Cass–Koopmans model is a foundational neoclassical growth model in macroeconomics that analyzes optimal savings, consumption, and capital accumulation over time in a perfectly competitive economy.
E. Kaldor’s stylized facts of economic growth
Kaldor’s stylized facts of economic growth are a set of empirical regularities about long-run economic development—such as stable capital-output ratios and rising labor productivity—that guided modern theories of growth and distribution.
F. None of above. chosen

Statements (47)

Predicate	Object
instanceOf	Keynesian macroeconomic model ⓘ economic growth model ⓘ
assumes	closed economy in basic versions ⓘ constant marginal propensity to save ⓘ fixed capital–output ratio ⓘ no substitution between capital and labor ⓘ underutilized capacity in the short run ⓘ
category	Keynesian models of growth ⓘ macroeconomic dynamic models ⓘ
contrastedWith	Solow–Swan growth model ⓘ
coreConcept	actual growth rate ⓘ natural growth rate ⓘ warranted growth rate ⓘ
criticizedFor	lack of microfoundations ⓘ rigid fixed-coefficient production assumption ⓘ strong instability implications ⓘ
defines	growth rate as ratio of savings to capital–output ratio ⓘ
emphasizes	role of capital–output ratio in growth ⓘ role of savings rate in growth ⓘ
equation	g = s / v ⓘ
explains	long-run economic growth ⓘ
extendedTo	open-economy growth models in later work ⓘ
field	development economics ⓘ macroeconomics ⓘ
focusesOn	demand-side determinants of growth ⓘ
highlights	inherent instability of growth paths ⓘ
influenced	early development planning models ⓘ
influencedBy	John Maynard Keynes ⓘ
inspired	Domar’s capacity growth analysis ⓘ Harrod’s warranted growth theory ⓘ linked to: Harrod–Domar growth model
mathematicalForm	linear differential equations in capital and output ⓘ
namedAfter	Evsey D. Domar ⓘ Roy F. Harrod ⓘ
policyImplication	higher savings rate raises long-run growth ⓘ investment is key driver of growth ⓘ
predecessorOf	neoclassical growth theory ⓘ
predicts	cumulative divergence from warranted growth if disturbed ⓘ knife-edge stability of equilibrium growth path ⓘ
publicationContext	post-Keynesian growth debates ⓘ
relatedConcept	capital accumulation ⓘ dynamic instability ⓘ incremental capital–output ratio ⓘ
theoreticalBasis	Keynesian economics ⓘ
timePeriod	mid-20th century ⓘ
usedFor	analyzing growth constraints in low-income economies ⓘ estimating required investment for target growth rates ⓘ
usedIn	investment planning in developing countries ⓘ

How these facts were elicited