Tijuana, Mexico is across the border from San? Diego, California. It has become a worldminus−leading producer and exporter of television sets and computer? monitors, which it assembles in modern factories owned by multinational consumer electronics firms such as Sony. ? Initially, these electronics were produced in the industrialized countries of their parent? companies, and after several? years, the production moved to Tiajuana This is an example of

A. the magnification effect.

B. the product cycle.

C. the specific factors model.

D. intraindustry trade.

E. None of the above.