In some respects, the U.S. has fallen behind other nations

Tesla Motors manufacturers its cars at a plant in Fremont, California

At this plant, Tesla is able to take advantage of the high level of technical training possessed by its American workers, but it also sacrifices the ability to pay lower wages had it chosen to open its plant in a low-wage country such as Mexico, India, or China. In deciding to open the Fremont plant, Tesla A) eroded some of its competitiveness in the luxury electric car market because of its increased cost of production. B) faced a trade-off between higher cost and lower precision. C) faced no trade-offs because employing more technically-skilled workers increased efficiency. D) adopted a negative technological change because it chose high-skilled workers over low-paid workers.

According to the "beachhead effect," in order to undo the effects of a strong-dollar period, the real value of the dollar

A) must fall to at least half of its value before appreciation of the dollar began. B) must fall to the value it had before appreciation of the dollar began. C) must fall to a much lower level than it had before appreciation of the dollar began. D) must actually appreciate before it depreciates to undo the effects of a strong-dollar period.