Q1. Suppose that in Saudi Arabia produces 200 million barrels of oil and 3 million cars; and that the United States produces 300 million barrels of oil and 2.5 million cars. Without trade, can Saudi Arabia produce more oil and more cars? Exclusive of trade, can the United States produce more oil and more cars?
Q2. Why are foreign investors attracted to countries with high GNI and GDP?
Q3. How might oligopolistic increase total revenue without changing prices?