answering questions. 1. Show graphically an argument why a large country may want to institute a tariff? What are some reasons a small developing country may want to institute a tariff even though it will decrease their total surplus? 2. What does the term "Brain Drain" mean in relation to the Lewis model? In particular, explain the earnings profile of rural born migrants in the urban sector compared to urban born workers and how we would expect the rate of return (use equation) to migration to show why a rural bom with low ability level to be disinclined to migrate compared to a rural born of a higher ability level. 3. What is meant by a "vicious cycle of growth" and show graphically how the government can utilize policies in order to create a virtuous cycle of growth. 4. From all.of the movies - be specific-what was the most profound/long lasting/interesting thing that you learned this quarter? Which video was your favorite video, and why?.