Over at Econlog Bryan Caplan asks a good question – he asks why economists who often rail against the free market will also often state that they strongly support civil liberties. Fundamentally he is asking, why do these people not support freedom to trade but do support freedom of expression.
Now I agree with Dr Caplan that economists should use the same tools to discuss civil issues as they do trade issues – any limits on civil liberties should be the result of externalities, asymmetric information on the value or relevance of ideas, or the undue power of an idea which in turn reduces social welfare (in the same way that in trade, people will rally against externalities, asymmetric information, and undue market power).
However, this does not suddenly imply that I am a stanch supporter of a completely free market – in the same way that I am not a stanch support of blanket calls to remove regulations that reduce civil liberties. Ultimately, in both cases there are trade-offs, and our ultimate goal is to maximise social welfare.
Lets discuss the “social-democrat economist’s bias” a bit more below the flap:
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