New radical general purpose technologies have been the drivers of economic growth in the United States economy in recent economic history. In this paper I review the role of military and defense related research, technology development, and procurement in the development of the aircraft, nuclear...

The purpose of this paper is to explore the hypothesis that a common basis for rapid growth in agricultural output and productivity lies in a remarkable adaptation of agricultural technology to the sharply contrasting factor proportions in the two countries. It is hypothesized that an important...