I think Congress should pass a law abolishing complexity, because then politicians, economists and climate scientists will never have to worry that they really have no idea what the Hell they are talking about.

From Aschwin de Wolf at Depressed Metabolism*:

Even when (macro) economists employ sound methodology and research design, the complexity of the phenomena they study seriously frustrates attempts to use their models to predict the future.  This issue  is not confined to economics. Climate science seems to suffer from this problem as well, which has not prevented scientists and non-scientists from making very strong claims for one position or another

So why are such scientists employable, even excessively rewarded? One reason may be because we would rather perceive ourselves as “doing something” than admitting that we don’t know. Increased government intervention in the lives of  people has increased the demand for social scientists and economists to confer credibility to what otherwise would be considered as arbitrary coercion. Another reason may be because most people are not aware that the emperor wears no clothes. People such as Alan Greenspan or Ben Bernanke are rarely challenged on general methodological grounds.

  • (A blog with a weird combination of philosophy and cryonics evangelism.)
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