Diversifiable and nondiversifiable risks [lo3] in broad terms, why is some risk diversifiable? why are some risks nondiversifiable? does it follow that an investor can control the level of unsystematic risk in a portfolio, but not the level of systematic risk?

Suppose the number of equipment sales and service contracts that a store sold during the last six (6) months for treadmills and exercise bikes was as follows: treadmill exercise bike total sold 185 123 service contracts 67 55 the store can only sell a service contract on a new piece of equipment. of the 185 treadmills sold, 67 included a service contract and 118 did not.

When used-car dealers signal the quality of a used car with a warranty, a. buyers believe the signal because the cost of a false signal is high b. it is not rational to believe the signal because some used-car dealers are crooked c. the demand for lemons is eliminated d. the price of a lemon rises above the price of a good used car because warranty costs on lemons are greater than warranty costs on good used cars

Many years ago, sprint telecommunications aired an advertisement intended to demonstrate the clarity of reception sprint customers could expect. the ad showed a rancher, who had used a different company, complaining that he had ordered 100 oxen from his supplier and instead received 100 dachshunds. the mix-up was probably due to the presence of in the communication process.