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Chapter 19: Q5 (page 461)
How can there be any economic gains for a country from both importing and exporting the same good, like cars?
There can be economic gains for intra industry trade, based on specialisation & economies of scale, as per Krugman Model.
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You just got a job in Washington, D.C. You move
into an apartment with some acquaintances. All your roommates, however, are slackers and do not clean up after themselves. You, on the other hand, can clean faster than each of them. You determine that you are 70% faster at dishes and 10% faster with vacuuming. All of these tasks have to be done daily. Which jobs should you assign to your roommates to get the most free time overall? Assume you have the same number of hours to
devote to cleaning. Now, since you are faster, you seem to get done quicker than your roommate. What sorts of problems may this create? Can you imagine a trade-related analogy to this problem?
If trade increases world GDP by 1% per year, what is the global impact of this increase over 10 years? How does this increase compare to the annual GDP of a country like Sri Lanka? Discuss. Hint: To answer this question, here are steps you may want to consider. Go to the World Development Indicators (online) published by the World Bank. Find the current level of World GDP in constant international dollars. Also, find the GDP of Sri Lanka in constant international dollars. Once you have these two numbers, compute the amount the additional increase in global incomes due to trade and compare that number to Sri Lanka’s GDP.
In Exercise 19.31, is there an “ask” where Venezuelans may say “no thank you” to trading with Canada?
In Germany it takes three workers to make one television and four workers to make one video camera. In Poland it takes six workers to make one television and 12 workers to make one video camera.
Who has the absolute advantage in the production of televisions? Who has the absolute advantage in the production of video cameras? How can you tell?
Calculate the opportunity cost of producing one additional television set in Germany and in Poland. (Your calculation may involve fractions, which is fine.) Which country has a comparative advantage in the production of televisions?
Calculate the opportunity cost of producing one video camera in Germany and in Poland. Which country has a comparative advantage in the production of video cameras?
In this example, is absolute advantage the same as comparative advantage, or not?
In what product should Germany specialize? In what product should Poland specialize?
Can a nation’s comparative advantage change over
time? What factors would make it change?
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