Q. A perfectly competitive firm operating in the market depicted in graph (1) is producing 311 units of output at the profit-maximizing level. What is the marginal revenue of the 312th unit?
Q. Give an example of how nations can benefit from trade on the basis of comparative advantage. Explain how both parties can share in the gains from trade. Discuss events or changes that may alter these gains. End with a question you would like to explore.