This is a good question. It is something that should be decided by the business. Not everyone wants to deal with the hassles of international shipping not to mention the cost. Costs matter. If you are selling trinkets that you make at home, you will probably not have an international market for them. The shipping will cost more than the item itself. But if you have exquisite trinkets in high demand, you may consider an international audience because the value is there for the customer.
No customer is going to be willing to by $50 for a watch then have to pay $50 to have it shipped when they can get a comparable watch locally for $65. These are the issues ECAs face when they are contemplating international shipping.
Therefore, ECAs have to make the choice based on what they offer. High end products in high demand have broad appeal. Those that are easy to ship should prove profitable for the ECA.
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This is a good question. It is something that should be decided by the business. Not everyone wants to deal with the hassles of international shipping not to mention the cost. Costs matter. If you are selling trinkets that you make at home, you will probably not have an international market for them. The shipping will cost more than the item itself. But if you have exquisite trinkets in high demand, you may consider an international audience because the value is there for the customer.