IN i863 Heinrich von Thunen noted that a moral timidity seems to keep authors and everybody
else from thinking about what a man costs and what capital is invested in him. The human …

Energy consumption is included in an aggregate Cobb-Douglas production function for the
USA. The data suggest that energy conservation has not reduced the growth rate for real …

EDWARD F. RENSHAW to mine ground water6 but whether it is optimal to mine existing
supplies at the current rate. Suppose (1) that the marginal productivity of water declines in a …

TITHILE interest in property-tax re-** form has increased in recent years owing to an increase
in state aid and a concern for equalization, assessment practices have long been the …

S INCE THE PUBLICATION of Cootner's collection of papers on The Random Character of
Stock Market Prices and Fama's article on" Efficient Capital Markets," the fashion for persons …

ALTHOUGH one might wish to question the P'I effectiveness with which educational moneys
are spent, 1 a body of evidence suggests that expenditures are in a general way related to …

THE PROBLEM OF CHOICE and supervision which originally created a need for investment
companies has so mushroomed these institutions that today a case can be made for …

This survey on the limits to growth presents much evidence that the law of diminishing
returns applies to all resources, including new knowledge, and that the US has been in the …

Since the publication of Markowitz's article on “Portfolio Selection,” which was subsequently
expanded into a monograph, there has been a great deal of further articulation, a not …

In recent years, the way in which governments procure military manpower has been subject
to increasing criticism. During the United States' last presidential election, the Democratic …