Dealers were complaining that, while the nameplate has been eagerly awaited by some potential customers, many consumers have been put off by the relative lack of availability of automatic-transmission Darts.

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While this is true in absolute terms, it precludes a sophisticated view of massive relative imbalances in the availability of these fuels across the continent.

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"Furthermore, unintended consequences are sometimes difficult to quantify, " Goldberg says, citing higher costs to consumers and businesses, reduced availability of credit, lager banks being placed at a relative disadvantage to smaller ones and so forth.

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