This paper explores the evolution of child labor, fertility, and human capital in the process of development. In early stages of development the economy is in a development trap where child labor is abundant, fertility is high and output per capita is low. Technological progress, however,...

This paper explores the evolution of child labor, fertility, and human capital in the process of development. In early stages of development the economy is in a development trap where child labor is abundant, fertility is high and output per capita is low. Technological progress, however,...

The paper looks at a model of directed technical change in an environmental-economics context. Firms can do conventional or "green" R&D or they can abate emissions at the end of pipe. The paper has two main foci. On the one hand, it investigates the impact of environmental regulation on the...