David carr is the hr manager of witherspoon inc., a publishing company. he wants to know if a certain test of cognitive ability, used in the advertising industry, can be successfully used in his organization. this scenario suggests that he wants to know if this test is a(n) method of personnel selection.

How will firms solve the problem of an economic surplus a. decrease prices to the market equilibrium price b. decrease prices so they are below the market equilibrium price c. increase prices

Cynthia is a hospitality worker in the lodging industry who prefers to cater to small groups of people. she might want to open a

Security a has a higher standard deviation of returns than security b. we would expect that: (i) security a would have a risk premium equal to security b. (ii) the likely range of returns for security a in any given year would be higher than the likely range of returns for security b. (iii) the sharpe ratio of a will be higher than the sharpe ratio of b. (a) i only (b) i and ii only (c) ii and iii only (d) i, ii and iii