In cases of extreme annual inflation, the breakdown of the monetary system forces people to waste valuable time engaging in bartering

An important hindrance to developing countries in carrying out monetary policy is that they

a. usually lack central banks b. are usually unable to issue their own currency c. are unable to borrow money d. usually lack effective bond markets e. all of the above

Which of the following supports the skeptics doubts about the idea that a "New Economy" had emerged in the late 1990s?

A) In early 2000, investment in computer equipment turned to negative growth. B) A drop in productivity growth in 2001 was followed by a bounce-back of productivity growth in early 2002. C) The opinion of Alan Greenspan, Chairman of the Federal Reserve System, concerning the pace at which technological innovations are being applied D) None of the above.