It follows a controversial decision to limit further development in the area to "bulky goods", like furniture.

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Superficially, the aerospace industry is similar to train manufacturing: both involve large but occasional deals to make bulky, pricey goods.

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It follows a decision by Environment Minister Alex Attwood to limit the type of goods sold at the store to bulky items such as furniture or white goods.

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But for makers of bulky lower-value goods such as furniture, toys and machinery, the ability to hedge shipping costs should prove a boon.

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Retailers also need to be ruthless in chucking out products that do not gain from being sold in a physical store: not just things like CDs and DVDs, which can be replaced by digital goods, but bulky stuff like nappies (Amazon has become a big seller of Pampers).

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