This article proposes a novel mechanism whereby larger markets increase competition and facilitate process innovation. Larger markets, in the sense of more people or more open trade, support a larger variety of goods, resulting in a more crowded product space. This raises the price elasticity of...

This paper puts forth a unified theory of growth that captures a number of relevant features of countries transitions from stagnant, predominantly rural economies to vibrant, industrialized economies that have been overlooked by the literature. In our theory, increasing variety of consumer goods...

The authors introduce home production into the neoclassical growth model and examine its consequences for development economics. They focus on how well differences in policies that distort capital accumulation explain international income differences. In models with home production, such...

This study systematically examines the distribution of the wealth of nations and how it has evolved over time. A nation's wealth is measured by its real per-capita gross domestic product. The study documents the following key economic development facts that a theory of economic development must...

This chapter develops a theory of the evolution of international income levels. In particular, it augments the Hansen-Prescott theory of economic development with the Parente-Prescott theory of relative efficiencies and shows that the unified theory accounts for the evolution of international...