Heimspekingurinn Brian Leiter ("of gourmet fame") skrifar hér áhugaverða grein um hagfræði -- grein sem ég er í grófum dráttum sammála. Fátt sýnir fræðilegan tómleika hagfræðinnar betur en reynsla undanfarinna 60 ára.
Eftirfarandi athugasemd hittir naglann á höfuðið:
[It is not] that economics generates no successful predictions, but only that (a) the quality of its predictions (their precision and reliability), and (b) the growth of its predictive power over time, are not of scientific quality. They do not live up to the standards that economists themselves claim for them. Generating true generic predictions is not the hallmark of science. All of us, drawing on common-sense psychological assumptions, do that all the time. Genuinely scientific theories must anticipate the future with a degree of precision and consistency greater than that realized by common-sense.
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