评价下述情形中规模经济与比较优势的相对重要性：
a．世界上大部分的铝是由挪威或加拿大冶炼的。
b．世界上半数的大型喷气客机在西雅图生产。
c．美国和日本生产了大部分的半导体。
d．大部分苏格兰威士忌产自苏格兰。
e．许多世界上最好的葡萄酒产自法国。
Evaluate the relative importance of economies of scale and comparative advantage in causing the following：
a．Most of the world's aluminum is smelted in Norway or Canada．
b．Half of the world's large jet aircraft are assembled in Seattle．
c．Most semiconductors are manufactured in either the United States or Japan．
d．Most Scotch whiskey comes from Scotland．
e．Much of the world's best wine comes from France．