According to Thomas H. Klier, an economist with the Federal Reserve Bank of Chicago, and James M. Rubenstein, a Miami University professor, the distinction between "American" and "foreign" vehicles is not so clear: some models produced by the American-owned "Detroit Three" carmakers have a smaller share of domestic parts than models produced by foreign-owned carmakers. In 2006, approximately 25 percent of parts used in vehicles assembled in the United States were imported, and an equal percentage were produced by U.S.-based operations of foreign parts makers. Klier and Rubenstein add, "Against a background of global supply chains, it has become quite difficult to identify and label products such as autos by nationality." Questions 1. How would you decide what defines an American car and an American car company? 2. What is the impact of global operations and