0.5 0.3 0.2 Obtain_Forecast Market_Activity 0.8 0.1 0.1 0.15 0.7 0.15 0.2 0.2 0.6 0.33333333 0.33333333 0.33333334 0.33333333 0.33333333 0.33333334 0.33333333 0.33333333 0.33333334 Obtain_Forecast Economy_Forecast Market_Activity Investment Obtain_Forecast 1500 1500 1000 1000 500 500 100 100 200 200 500 500 -1000 -1000 -100 -100 500 500 Figure 12.8: Investment decision tree with the perfect-information alternative (Figures 12.5, 12.6, and 12.7 are auxiliary to this figure; this influence diagram performs value of information computation equivalent to that of the decision tree in the figure).\nReference:\nRobert T. Clemen, Making Hard Decisions: An Introduction to Decision Analysis, Second Edition. Duxbury Press, 1996. Market Activity 255 21 338 65 Obtain Forecast 27 20 107 67 Economy Forecast 136 20 230 67 Investment Decision 143 99 222 144 Payoff 258 103 334 139 Figure 12.8: Investment decision tree with the perfect-information alternative (Figures 12.5, 12.6, and 12.7 are auxiliary to this figure; this influence diagram performs value of information computation equivalent to that of the decision tree in the figure).\nRobert T. Clemen, Making Hard Decisions: An Introduction to Decision Analysis, Second Edition. Duxbury Press, 1996. 18 183 514 297 This is one way of modeling explicity the decision of whether to buy information. Obtain_Forecast indexes Economy_Forecast and screens it away from Investment when no information is bought. 362 13 574 165