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Erscheinungsjahr: 
2002
Schriftenreihe/Nr.: 
Tinbergen Institute Discussion Paper No. 02-047/2
Verlag: 
Tinbergen Institute, Amsterdam and Rotterdam
Zusammenfassung: 
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.
Schlagwörter: 
Long-run growth
Technological change
Uncertainty.
JEL: 
O3
Dokumentart: 
Working Paper
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