While in the physical sciences the investigator will be able to measure what, on the basis of a prima facie theory, he thinks important, in the social sciences often that is treated as important which happens to be accessible to measurement. This is sometimes carried to the point where it is demanded that our theories must be formulated in such terms that they refer only to measurable magnitudes.

Unlike the position that exists in the physical sciences, in economics and other disciplines that deal with essentially complex phenomena, the aspects of the e…

There may thus well exist better 'scientific' evidence for a false theory, which will be accepted because it is more 'scientific', than for a valid explanation…

It seems to me that this failure of the economists to guide policy more successfully is closely connected with their propensity to imitate as closely as possib…

While the method of the natural sciences is... analytic, the method of the social sciences is better described as compositive or synthetic. It is the so-called…

Physics has entered a remarkable era. Ideas that were once the realm of science fiction are now entering our theoretical - and maybe even experimental - grasp.…

Every experiment destroys some of the knowledge of the system which was obtained by previous experiments.