This essay argues three propositions: (1) by 2025 roughly one third of the world’s population will be living in countries which are water-stressed, at least by conventional criteria; (2) nevertheless, macro evidence does not portend that the world will be unable to feed its growing population...

This paper explores four empirical relationships reflecting the impact of foreign trade on the employment of unskilled workers: (i) the direct relationship between net exports and embodied education of the corresponding goods; (ii) the changes in domestic prices accompanying changes in net...

After briefly examining the various proposed causes for the decline in the U.S. personal saving rate in the past decade, this essay then argues that a shift in the demographic composition of the population will be a much more important cause for a decline in personal saving in the future. A...

"Gasohol has received considerable governmental financial support because it is alleged to have important ecological and economic advantages. It is, for instance, supposed to reduce our extraction of nonrenewable energy, to have a cost advantage over gasoline, and to reduce pollution. This essay...