@alexcobham - ok, so the two articles I linked to both misunderstand the claim being made in the Zambia-Switzerland-Copper example then?
@alexcobham - but that scenario so would be extraordinary, and framing it a way that's so easily misunderstood doesn't aid understanding.
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@MForstater As you know, Swiss piece is an attempt to get beyond Zambia story and understand if there's a broader problem. Clearly there is. -
@MForstater Swiss prices appear abnormal at both ends; hence the margin especially so. - 9 more replies
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