Each of the 15 members of the European Union that joined before May 2004 use the euro as their currency

The figure above shows the market for college education in the United States. The efficient quantity of college education is ________ students per year

A) 10 million B) 12 million C) 17 million D) 18 million E) 14 million

Some economists believe that the behavior of unemployment in Europe and in the United States during the 1980s and 1990s

A) was the same because both markets experienced adverse labor market shocks. B) differed because the real wage in Europe was rigid. C) was the same because the real wage in Europe and the United States moved together. D) differed because the United States experienced adverse labor market shocks but Europe did not.