This paper estimates the impact of public capital on economic growth for forty-eight OECD and non-OECD countries during 1960 - 2001. Using the production function and its extensions, it finds a positive - but concave - elasticity of output with respect to public capital, which is robust to...

The effect of public investment on economic growth is a crucial public policy issue. Empirical research into this question was stimulated by Aschauer (1989), who suggested that public capital has a powerful impact on the productivity of private capital.Aschauer's results were controversial and...

In this paper we study growth and welfare effects of fiscal policy in an endogenous growth model with public capital and environmental pollution. As to pollution we assume that it is due to aggregate production. Pollution does not have direct effects as concerns production possibilities but it...