In the above figure, of the quantities listed below, for which is the total deadweight loss the largest?

Which of the following does free trade encourage?

A) higher rates of economic growth B) more rapid spread of technology C) domestic industries' access to larger markets D) all of the above

The data in the table above are the U.S. balance of payments. If there is no statistical discrepancy, what is the balance in the official settlements account?

A) $150 billion B) -$150 billion C) $50 billion D) $0