All of the following are benefits of auctions except:
A) more efficient price discovery.
B) lower transaction costs.
C) decreased price transparency.
D) increased market efficiency.
C
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The difference between the assignment and the transportation problem is that:
A) total supply must equal total demand in the assignment problem. B) the number of origins must equal the number of destinations in the transportation problem. C) each supply and demand value is 1 in the assignment problem. D) both A and B
What is the doctrine of ultra vires? What is the effect of an ultra vires contract?
True or False A portfolio manager was analyzing the price-earnings ratio for this year's performance. His boss said that the average price-earnings ratio was 20 for the many stocks, which his firm had traded, but he felt that figure was too high. The portfolio manager randomly selected a sample of 50 P/E ratios and found a mean of 18.17 and standard deviation of 4.60 . Assume that the population
is normally distributed and test at the 0.01 level of significance. The decision rule is: Reject H0 if the calculated z > 2.33. Indicate whether the statement is true or false
Which of the following statements is false regarding the graph of the second-order polynomial model y = ?0 + ?1x + ?2x2 +?
a. If ?2 is negative, the graph is concave, while if ?2 is positive, the graph is convex. b. The greater the absolute value of ?2, the smaller the rate of curvature. c. When we plot x versus y, the graph is shaped like a parabola. d. All of these choices are true.