During the late 1990's, a spurt of growth in output and productivity led the business press, and some economists, to proclaim that the economy had entered a new era in which the old rules that governed cyclical and secular growth in the past no longer obtained. In the paper I present the results...

In this paper I review the evolution of the sustainability concept. This is followed by a description of three "classical" systems of sustainable agriculture. None of these systems were or are capable of generating growth of output consistent with modern rates of growth in demand. I then turn to...

Prior to the middle of the twentieth century the margins that have demarcated the subject matter of the several social sciences had been relatively stable since the latter decades of the nineteenth century. Since mid-century, however, a number of intellectual and institutional developments have...

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...