In the public debate over ratification of the North American Free Trade Agreement, Ross Perot said he heard a “giant sucking sound” from U.S. jobs headed south because of low wage rates in Mexico....

In the public debate over ratification of the North American Free Trade Agreement, Ross Perot said he heard a “giant sucking sound” from U.S. jobs headed south because of low wage rates in Mexico. Using the theory of comparative advantage, discuss whether Perot’s fears were valid. Why are clusters established, and why are they important in international trade? Illustrate you answer with examples.