According to the text, approximately what percentage of U.S. net public debt is held by foreign residents?

If monopolies are both inevitable and bad, which policy alternative will be least disruptive of all effective policy alternatives?

a. regulate prices b. nationalize c. laissez-faire d. encourage concentration e. split up the monopoly

In explaining the downward-sloping aggregate demand curve, the net export effect is:

a. When a nation's price index falls, international capital flows are attracted to it, which causes the net exports to rise. b. When the price index falls, net exports fall because a nation's exports become relatively cheaper and its imports become relatively more expensive. c. When the price index falls, the real money supply rises, causing the real risk-free interest rate to fall, and consumption and real investment to rise. d. When the price index falls, net exports rise because a nation's exports become relatively cheaper and its imports become relatively more expensive. e. When the price index falls, central banks intervene to bring prices back to where they were, causing net exports to rise.