4. In the diagram above, movement between which two points signified an increase in
economic efficiency?
a. A to B
b. A to D
c. D to B
d. B to D
5. For this economy to move to point C, it must:
a. Achieve lower input costs
b. Introduce new technologies that increase productivity
c. Reduce trade barriers
d. a and b
TRUE/FALSE
1. Countries with absolute advantage in no products will not be able to engage in
international trade.
2. A country could have an absolute disadvantage in a product but still export this product
because of its comparative advantage.
3. Revealed comparative advantage is a measure of intra-industry trade.
4. International trade on the basis of comparative advantage is always damaging for the
environment.
5. In the comparative advantage model, the gains from trade appear as a movement of the
consumption point to the northeast in the production possibilities frontier (PPF) diagram.