Which one of the following statements is CORRECT? Question 7 options: The act of buying at a low price in one place and selling at a high price in another place is called relative pricing. Free trade with constant-cost production-possibility curves usually leads to partial production specialization. If Country X has a higher level of labor productivity than the rest of the world in the production of a good, then Country X has a comparative advantage in the production of the good. According to the theory of comparative advantage, countries will export those goods for which they have a lower opportunity cost and import those goods for which they have a higher opportunity cost than the rest of the world.