The opportunity cost of a college degree includes the a. goods that a student cannot purchase because of spending on books and tuition and the foregone income that could have been earned while in college. b. the cost of college, the foregone income while in college, and the inability to go to another college. c. the costs of food, housing, books, tuition that a student could have purchased. d. goods that a student cannot purchase because of spending on books, tuition, food, and housing and the foregone income that could have been earned while in college.

The risk-free rate is 7% and the expected rate of return on the market portfolio is 11%. a. calculate the required rate of return on a security with a beta of 1.92. (do not round intermediate calculations. enter your answer as a percent rounded to 2 decimal places.) b. if the security is expected to return 15%, is it overpriced or underpriced?

Who is better at multi-tasking? in business, employees are often asked to perform a complex task when their atten-tion is divided (i. e., multi-tasking). human factors (may 2014) published a study designed to determine whether video game players are better than non–video game play-ers at multi-tasking. each in a sample of 60 college stu-dents was classified as a video game player or a non-player. participants entered a street crossing simulator and were asked to cross a busy street at an unsigned intersec-tion. the simulator was designed to have cars traveling at various high rates of speed in both directions. during the crossing, the students also performed a memory task as a distraction. two variables were measured for each student: (1) a street crossing performance score (measured out of 100 points) and (2) a memory task score (measured out of 20 points). the researchers found no differences in either the street crossing performance or memory task score of video game players and non-gamers. “these results,” say the researchers, “suggest that action video game players [and non-gamers] are equally susceptible to the costs of dividing attention in a complex task”

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