This paper sketches a theory of the secular decline in morbidity and mortality that takes account of changes in human physiology since 1700. The synergism between technological and physiological improvements has produced a form of human evolution, much more rapid than natural selection, which is...

This paper addresses three issues related to the relative rates of growth in the United States, the European Union, and China during the four decades between 2000 and 2040. The first concerns the source of the factors which make it likely that China will continue to grow at a high rate for...