The analysis in this paper shows that unpredictable variations in economic productivity may have a positive or negative effect on the average growth rate of output. This theoretical ambiguity result is not solely determined by the value of the elasticity of intertemporal substitution (of...

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...

In this paper the impacts of income and consumption taxes are analyzed within a model of stochastic endogenous growth with congestion. It is shown that the optimal amount of governmental input diminishes with uncertainty and that the optimal financing depends on the relation between the degrees...

Der vorliegende Beitrag analysiert den Einfluß von aggregierten Produktivitätsschocks auf die intertemporale Entscheidung risikoaverser Agenten. Dabei stehen insbesondere die Auswirkungen auf das langfristige Wachstum der Ökonomie im Vordergrund der Betrachtungen. Es wird gezeigt, daß neben...