This paper constructs a North–South endogenous growth model to investigate how the organizational forms of final goods firms evolve. Initially, the final goods firms in the North obtain intermediate goods from Northern firms and produce in the North. When trade costs are sufficiently low, as...

In this paper, to investigate how an increase in the price of natural resources affects the level of technology, we develop an endogenous variety expansion model of a small open economy based on that of Grossman and Helpman (1991, Ch. 3). We conclude that an increase in the price of natural...

To investigate how fertility rates interrelate with the modern economy, we construct a simple model in which variety expansion of consumption goods reduces fertility rates. In our model, variety expansion reduces the relative price of a composite of di?erentiated goods compared to child- rearing...