The Variety and Quality of a Nation's Trade
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Not surprisingly, big countries trade more than small countries. In this paper we use data on shipments by 110 exporters to 59 importers in 5,000 product categories to ask: how? Do big countries trade larger quantities of a common set of goods (the intensive margin), a larger set of goods (the
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美国国家经济研究局创建时间：
2002-01-01
