July 2009
Intermediate to advanced
600 pages
19h 50m
English
To understand the basis of the real options argument and the reasons for its allure, it is easiest to go back to the risk-assessment tool unveiled in Chapter 3—decision trees. Figure 5.1 shows a simple example of a decision tree.

Given the equal probabilities of up and down movements, and the larger potential loss, the expected value for this investment is negative:
| Expected Value = 0.50 (100) + 0.5 (–120) = –$10 |
Now contrast this with the slightly more complicated two-phase decision tree shown in Figure 5.2.
Note that the total potential profits ...
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