Among the important characteristics of market efficiency is (are) that: i. there are no arbitrage opportunities. ii. security prices react quickly to new information. iii. active trading strategies will not consistently outperform passive strategies. a. i onlyb. ii onlyc. i and iii onlyd. i, ii, and iii

Logan is an employee who processes health insurance forms. initially he was criticized by his supervisor for sloppy work, but thereafter he improved considerably. now he consistently processes his forms without errors and even does more than his fair share of work. however, logan's supervisor has not responded to the extra effort he has put in, giving him no praise or monetary benefits. this leads logan to believe that his supervisor is biased against him. according to the expectancy theory, in this situation, there is a problem in the relationship. a) rewards-personal goals b) performance-awarenessc) performance-rewardd) performance-objectivese) performance-achievement