Contemporary managers .
a. emphasize teamwork and cooperation, and act as coaches, rather than bosses.
b. function solely as intermediaries between workers and labor unions.
c. become specialists in only one or two functional areas.
d. must closely supervise highly skilled workers who would like to "do their own thing."

The former chairman of the federal reserve, alan greenspan, used the term "irrational exuberance" in 1996 to describe the high levels of optimism among stock market investors at the time. stock market indexes such as the s& p composite price index were at an all-time high. some commentators believed that the fed should intervene to slow the expansion of the economy. why would central banks want to clamp down when the economy is growing? a. to block the formation of unsustainable speculative asset bubbles. b. to curtail excessive profits in the banking system. c. to prevent inflationary forces from gathering momentum. d. all of the above. e. a and c only.