Coverall, Inc., an insurance company, recently moved into the motorcycle insurance market. Coverall was concerned that the most likely motorcycle insurance customers are those who ride their motorcycles recklessly, because they would benefit most from insurance coverage. Since Coverall cannot distinguish perfectly between high-risk and low-risk cyclists, it raised its motorcycle premiums in an effort to account for the reckless riders. The economic problem in this story is known as:a. signalingb. screeningc. adverse selectiond. moral hazard

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.