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...

There is long tradition in the economic literature that recognizes learning and the diffusion of new ideas and technologies as one of major drivers for growth, especially in developing countries. However, while adopting a new technology mainly involves cost, some technologies may also be human...

Vulnerability to scarcity or to reduction of natural capital depends on defensive substitution possibilities that, in turn, are affected by the availability of other productive factors. However, in several developing countries asset distribution tends to be highly skewed. Taking into ac- count...

We use an overlapping generations model of human capital accumulation to study the impact of the AIDS crises on growth. In our model, the AIDS crisis lowers life expectancy and thus the incentive to save and accumulate physical capital. Moreover, the AIDS crisis lowers the returns to human...

The endogenous growth literature has stimulated empirical research into links between trade and growth in general and international knowledge spillovers in particular. Results relating to the latter have been mixed and the issue of the appropriate construction of the spillover variable remains...

This paper incorporates the notion of public capital in a Blanchard OLG model to study the effects of debt-financed public investments on growth and welfare in the long-run. The simple analytic result is that public debt can enhance both welfare and private capital in equilibrium, conditional on...