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quiz149_solution - 1 Why does the gravity model work a...

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1. Why does the gravity model work? a) Large economies became large because they were engaged in international trade. b) Large economies have relatively large incomes, and hence spend more on government promotion of trade and investment. c) Large economies have relatively larger areas which raises the probability that a productive activity will take place within the borders of that country. d) Large economies tend to have large incomes and tend to spend more on imports. e) None of the above. 2. According to the gravity model , a characteristic that tends to affect the probability of trade existing between any two countries is 3. In general which of the following tend to promote the probability of trade volumes between two countries
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