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...

Due to a lack of internationally comparable agricultural price data, implicit output/input price ratios are constructed as the reciprocals of input MPPs. The MPPs are estimated by a production function fitted to data from a world cross section of 119 countries. Although the output/purchased...

In this paper, views of large scale farm organization are traced from the 19th century to date. Then, the structures of East and West German industry and agriculture are described. Next the productivity of East and West German agricultural land and labor are compared for the period 1958-1969....