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It seems unlikely that such a small tail could wag such a large dog, especially given that investors almost exclusively trade futures contracts.
ECONOMIST: Commodity speculators do more good than harm
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So Boeing is considering various compromises, such as a small extra engine in the tail, to give the aircraft more thrust.
ECONOMIST: Aircraft making
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For instance, in other as-yet-unpublished work, they say they have discovered that the Magellanic Clouds (there is a small one as well) jointly sport a tail of stars that dangles around the Milky Way.
ECONOMIST: The galactic gourmand