40 . The following graph shows four curves : A-A , B-B , C-C , and D-D . Which one of these curves could depict a total utility curve ?
41 . Allen buys only beer and pizza . When the price of beer is $ 2.00 per bottle and the price of pizza is $ 10.00 , Allen maximizes his total utility ( satisfaction ) by buying 5 beers and 4 pizzas . If the marginal utility of the 5th beer is 100 utils , which one of the following would be the marginal utility of the 4th pizza ?
42 . The following graph shows four curves : A-A , B-B , C-C , and D-D . Which of these curves depict variables that are not interdependent ?
43 . Allen has the following schedule of marginal utility for slices of pizza and bottles of beer : If Allen maximizes his total utility by consuming 3 slices of pizza and 3 bottles of beer , which one of the following is the ratio of the price of a slice of pizza to the price of a bottle of beer ?
44 . Which one of the following cost curves does not have a general " U-shape "?
45 . In the long run , if all input factors to a production process are increased by 100 %, but total output increases by only 75 %, this indicates
46 . Which one of the following statements regarding periods of analysis is correct ?
47 . According to the law of diminishing returns , which one of the following is correct ?
48 . In a macroeconomic free-market flow model , which of the following would be considered leakages ?
49 . Which of the following forms of economic activity is considered in macroeconomics , but not in microeconomics ?