Luis wonders why commercials appear more frequently at the end of a TV movie than at the beginning. Carol says that this pattern can be explained by the

Which of the following has NOT changed much as a percent of GDP over the last twenty years for the United States?

i. the official settlements account ii. the capital and financial account iii. the current account A) ii only B) ii and iii C) iii only D) i only E) None of the above answers is correct because all three have had large swings over the last 20 years.

During 2008-2013, the Fed initiated several rounds of "quantitative easing.". Under this policy, the Fed

a. increased its purchases of financial assets and thereby injected additional reserves into the banking system. b. increased its purchases of financial assets, which reduced the reserves available to the banking system. c. reduced its purchases of financial assets and thereby injected additional reserves into the banking system. d. reduced its purchases of financial assets and thereby reduced the quantity of reserves available to the banking system.