This paper constructs an equilibrium model of entrepreneurial innovation where individuals differ in their attitude toward uncertainty. Unlike previous models of innovation, the firm-formation process is endogenous. An entrepreneur, who owns residual profits, utilizes an uncertain technology and...

The demographic transition that swept the world in the course of the last century has been identified as one of the prime forces in the transition from stagnation to growth. The unprecedented increase in population growth during the early stages of industrialization was ultimately reversed and...

The interest rate and the rate of economic growth are often regarded as roughly constant as economies grow. Moreover, the agricultural sector and rural population typically shrink. We show that an otherwise standard growth model that includes a backward and an advanced sector can account for...

This chapter examines the process of development from an epoch of Malthusian stagnation to a state of sustained economic growth. The analysis focuses on recently advanced unified growth theories that capture the intricate evolution of income per capita, technology, and population over the course...

Research activities have uncertain outcomes. The question asked in this paper is whether or not this uncertainty can be a central piece on the explanation of long run consumption growth paths. More specifically, we inquire how the existence of different research projects, with different degrees...