In what sense is it a cost that people must spend time and resources coping with inflation?
a. Because the loss of time and resources frustrates people unnecessarily
b. Because the time and resources could have been used to produce something else instead
c. Because the time and resources could have been wasted elsewhere
d. Because the time and resources are a sunk cost
e. Because the time and resources are insufficient to cope with the problem
B
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One of your peers wants to analyze whether or not participating in varsity sports lowers or increases the GPA of students
She decides to collect data from 110 male and female students on their GPA and the number of hours they spend participating in varsity sports. The coefficient in the simple regression function turns out to be significantly negative, using the t-statistic and carrying out the appropriate hypothesis test. Upon reflection, she is concerned that she did not ask the students in her sample whether or not they were female or male. You point out to her that you are more concerned about the effect of omitted variables in her regression, such as the incoming SAT score of the students, and whether or not they are in a major from a high/low grading department. Elaborate on your argument. What will be an ideal response?
Which of the following industries is an illustration of homogeneous oligopoly?
A. Household laundry products. B. Personal computers. C. Aluminum. D. The auto industry.