BBC News - Sheep farmers in Wales boosted by wool prices - 0 views
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Sheep farmers in Wales boosted by wool prices
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35% of wool sold by the BWMB is now exported to China, double the percentage two years ago.
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getting around 33p a kilo for their wool - in the current strong market we're seeing prices at £1.08
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This article is good for analysing the effects of supply and demand, how the higher prices is getting more people employed and the effects from there, as well as positive externalities of consumption and production because wool is ecologically good.
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Yes, this article works as you stated. You'll have to explain carefully what ecologically good means when making connections to externalities.