The government of France, claiming a threat to its cultural heritage, has restricted the showing of films produced in the United States. French radio stations are fined if more than 40% of the music they play is from "foreign" rock groups. These restrictions

Select one:

a.are essentially barriers to trade.

b.cannot be considered trade barriers; rather they are essential for culture preservation.

c.are necessary for economic growth because they promote employment in the French film and music industries.

d.are necessary if the French film and music industries are to acquire a comparative advantage in the future.