Successful economic development is usually characterized by two salient phenomena: industrialization and demographic transition. Chronologically both events happen so closely to each other that historians and economists alike suspect that they are interrelated. This paper develops a theory for...

This paper consolidates two previously disconnected literatures. It integrates R&D-based innovations into a unified growth framework with micro-founded fertility and schooling behavior. The theory suggests a refined view on the human factor in productivity growth. It helps to explain the...

The present paper discusses the long-run effects of two interdependent relations between economic and population growth. According to a frequently used formulation of the population-push hypothesis, learning-by-doing effects in production lead to increasing returns to scale and, therefore, to a...

This article offers a theory of economic growth, stagnation, and demo-economic transition that originates from external effects of child-bearing, health expenditure, and education under endogenous mortality. Facing a hierarchy of needs, parents always consume and want to have a family. Child...

The paper analyzes an economy with an agrarian and an industrial sector. Demand is determined by Engel's Law. Population growth follows a non-linear income dependent path according to the theory of demographic transition. In case of decreasing returns to scale in the agrarian sector the...

Empirically there is a strong inverse association between population density and body size. It holds in human societies at different levels of economic development; in biology it is known as "Damuth's law", with bearing on all mammalian species. Yet this intriguing trade-off between size and...