3. Why has nominal GDP increased faster than real GDP in the United States over time? What would it mean if an economy had real GDP increasing faster than nominal GDP?
8. How did the United States become the world’s largest debtor nation in the 1980s?
15. Use the national income identity GDP= C + I + G + X to explain what a current account deficit(negative net exports) means in terms of domestic spending, production, and borrowing.