Arbeitspapier

Endogenous Technological Change under Uncertainty

How does risk or uncertainty in the productivity of research affect the growth rate of the economy? To answer this question, a model of endogenous technological change is used where sustained growth stems from intentional investments in R&D from profit-maximizing firms. The uncertainty arises from the productivity of these investments in R&D. The main result of this analysis is that the relationship between long-run growth and uncertainty (on the productivity of knowledge creation) depends on two main factors - the returns to scale in knowledge creation (increasing or non-increasing) and the value of the elasticity of intertemporal substitution (higher or lower than some critical value).Based on empirical studies on the returns to scale in knowledge creation (non-increasing) and the value of the elasticity of intertemporal substitution (higher than the critical value), we expect a negative relationship between long-run growth and uncertainty regarding the productivity of knowledge creation.

Language
Englisch

Bibliographic citation
Series: Tinbergen Institute Discussion Paper ; No. 02-047/2

Classification
Wirtschaft
Subject
Long-run growth
Technological change
Uncertainty.
Endogener technischer Fortschritt
Industrieforschung
Produktivität
Risiko
Neue Wachstumstheorie
Theorie

Event
Geistige Schöpfung
(who)
de Hek, Paul A.
Event
Veröffentlichung
(who)
Tinbergen Institute
(where)
Amsterdam and Rotterdam
(when)
2002

Handle
Last update
10.03.2025, 11:42 AM CET

Data provider

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Object type

  • Arbeitspapier

Associated

  • de Hek, Paul A.
  • Tinbergen Institute

Time of origin

  • 2002

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