Which of the following is a drawback to having a common currency across countries, as
in the European Union?
A) A common currency increases barriers to trade across countries, reducing
opportunities for economic growth.
B) With a common currency, individual countries are no longer able to run independent
monetary policies.
C) Having a common currency implies that the prices of goods across countries must
always be the same, regardless of consumer preferences for goods across countries.
D) None of the above is a drawback to a common currency.
Macroeconomics seeks to understand
A) economic growth, business cycles, and inflation.
B) industry sales, marketing strategies and corporate growth.
C) product demand, product cost, and profit maximization.
D) public choices, private choices, and consumer maximization.
If the number employed is 190 million, the working-age population is 230 million, and
the number unemployed is 10 million, then the unemployment rate is