Jones model¶
The Jones model (also known as the semi-endogenous growth model) is a growth model developed in 1995 by economist Charles I.
Core Idea¶
Jones model is treated here as the recurring crossdomainmodelsstructuresrepresentations identity summarized by this source-grounded definition: The Jones model (also known as the semi-endogenous growth model) is a growth model developed in 1995 by economist Charles I. The Jones model (also known as the semi-endogenous growth model) is a growth model developed in 1995 by economist Charles I. The model builds on the Romer model (1990), and in particular it generalizes or modifies the description of how new technologies, ideas, or design instructions arise by taking into account the criticism of the Romer model that the.
Scope of Application¶
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Model Structure. For a single company i According to the following modeling applies to the emergence of new ideas or design instructions.
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Model Structure. \dot Ai = \delta \cdot A(t)^\phi \cdot LA(t)^{\lambda-1} \cdot L{Ai}(t).
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With. \dot A refers to the derivative of A with respect to time: \dot A= \frac{\partial A(t)}{\partial t}.
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With. Parameter values of \lambda = \phi = 1 result in the Romer model ( \dot A = \delta \cdot A \cdot LA ).
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With. \lambda restricts the effect of additional labor input in the research sector.
Clarity¶
A clear use of Jones model names the carrier, the operative relation, and the conditions under which the source treats the identity as present. The minimal definition is The Jones model (also known as the semi-endogenous growth model) is a growth model developed in 1995 by economist Charles I.
Manages Complexity¶
Jones model compresses multiple crossdomainmodelsstructuresrepresentations details into a stable diagnostic relation. The source shows both the central mechanism—the Jones model (also known as the semi-endogenous growth model) is a growth model developed in 1995 by economist Charles I.—and the practical consequence—parameter values of \lambda = \phi = 1 result in the Romer model ( \dot A = \delta \cdot A \cdot LA ).
Abstract Reasoning¶
- Type the carrier. Identify the crossdomainmodelsstructuresrepresentations entities to which the claim applies.
- State the relation. Use the source-grounded identity: The Jones model (also known as the semi-endogenous growth model) is a growth model developed in 1995 by economist Charles I.
- Check operation and conditions. For a single company i According to the following modeling applies to the emergence of new ideas or design instructions.
- Demand recognition evidence. \dot Ai = \delta \cdot A(t)^\phi \cdot LA(t)^{\lambda-1} \cdot L{Ai}(t). 5.
Knowledge Transfer¶
Within the home domain. Knowledge about Jones model transfers literally when a new case preserves the same carrier type, relation, and recognition test. For a single company i According to the following modeling applies to the emergence of new ideas or design instructions. \dot Ai = \delta \cdot A(t)^\phi \cdot LA(t)^{\lambda-1} \cdot L{Ai}(t). Beyond the home domain. No canonical parent is asserted for Jones model. An outside case receives the specialist name only when the same typed roles and rejection conditions can be filled literally; otherwise the comparison remains an analogy pending later graph densification.
Relationships to Other Abstractions¶
Current abstraction Jones model Domain-specific
Parents (1) — more general patterns this builds on
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Jones model is a kind of, typical Endogenous Growth Theory Domain-specific
The Jones model is explicitly a semi-endogenous growth model built on Romer's endogenous-growth framework.
Hierarchy paths (11) — routes to 9 parentless roots
- Jones model → Endogenous Growth Theory → Economic Growth Model → Capital Accumulation → Capital Stock → Accumulation
- Jones model → Endogenous Growth Theory → Increasing Returns
- Jones model → Endogenous Growth Theory → Economic Growth Model → Equilibrium → Fixed Point
- Jones model → Endogenous Growth Theory → Economic Growth Model → State and State Transition → Phase Space
- Jones model → Endogenous Growth Theory → Economic Growth Model → Capital Accumulation → Capital Stock → Discounting (Present Value) → Commensurability
- Jones model → Endogenous Growth Theory → Public Goods → Free Riding → Social Dilemma → Trade-offs → Constraint
- Jones model → Endogenous Growth Theory → Public Goods → Free Riding → Social Dilemma → Non-Zero-Sum Game → Game-Theoretic Strategy → Function (Mapping)
- Jones model → Endogenous Growth Theory → Economic Growth Model → Capital Accumulation → Capital Stock → Discounting (Present Value) → Time Preference (Discounting Future) → Preference
- Jones model → Endogenous Growth Theory → Economic Growth Model → Capital Accumulation → Capital Stock → Discounting (Present Value) → Time Preference (Discounting Future) → Time
- Jones model → Endogenous Growth Theory → Economic Growth Model → Capital Accumulation → Capital Stock → Discounting (Present Value) → Time Value of Money → Time Preference (Discounting Future) → Preference
- Jones model → Endogenous Growth Theory → Economic Growth Model → Capital Accumulation → Capital Stock → Discounting (Present Value) → Time Value of Money → Time Preference (Discounting Future) → Time
Neighborhood in Abstraction Space¶
Jones model sits in a sparse region of the domain-specific corpus (76th percentile for distinctiveness): few abstractions share its structure, so a faithful description tends to retrieve it precisely.
Family — Classical & Trade Economic Theory (20 abstractions)
Nearest neighbors
- Kenneth Boulding's Evolutionary Perspective — 0.83
- Teaching-Family Model — 0.83
- Industrial market segmentation — 0.83
- Inframarginal analysis — 0.83
- Design for the environment — 0.82
Computed from structural-signature embeddings · 2026-10-08