In contrast to non-tradable activities, a place’s export activities need to be pretty good to convince out-of-town customers – who have ample other options – to buy from local producers. That means that exports must have an attractive quality/cost ratio.
与非贸易活动相比，某地的出口活动需要颇具竞争力才能说服有众多其他选择的外地客户购买当地制造商的产品。这意味着出口必须具备有吸引力的性价比。