3) Trade need not be the result of comparative advantage. In the absence of differences between...

  

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3) Trade need not be the result of comparative advantage. In the absence of differences between countries in their resources or technology, explain with the help of diagrams a) Why and how can trade still occur and gain due to external economies of scale? b) Why and how can trade still occur and gain due to internal economies of scale? [10] [10] 3) Trade need not be the result of comparative advantage. In the absence of differences between countries in their resources or technology, explain with the help of diagrams a) Why and how can trade still occur and gain due to external economies of scale? b) Why and how can trade still occur and gain due to internal economies of scale? [10] [10]