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| | Game Theory |
 | | This means that at these nodes players cannot infer back up the path from whence they came; II does not know, in choosing her strategy, whether she is at b or c. |
 | | Player I, in choosing L at node 4, ensures that node 7 will not be reached; this is what is meant by saying that it is ‘off the path of play’. |
 | | He chooses L. At node 5 II chooses R. At node 4 I is thus choosing between (0, 5) and (-1, 0), and so plays L. Note that, as in the PD, an outcome appears at a terminal node—(4, 5) from node 7—that is Pareto superior to the NE. |
| plato.stanford.edu /entries/game-theory (20520 words) |
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