Competitiveness: Consider the following statement: "The United States may still be number one, but I don't think we will be much longer. China, India, Brazil, and other emerging market countries are catching up. Soon it will no longer be economical for us to produce anything." On the basis of what you have learned about the principle of comparative advantage, do you think it is possible to reach a point at which it is no longer worthwhile to produce anythingthat is, a point at which it becomes economical to import all goods? Discuss