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|Title:||What if we only have approximate stochastic dominance?|
Hung T. Nguyen
|Abstract:||© Springer International Publishing Switzerland 2015. In many practical situations, we need to select one of the two alternatives, and we do not know the exact form of the user’s utility function—e.g., we only know that it is increasing. In this case, stochastic dominance result says that if the cumulative distribution function (cdf) corresponding to the first alternative is always smaller than or equal to the cdf corresponding to the second alternative, then the first alternative is better. This criterion works well in many practical situations, but often, we have situations when for most points, the first cdf is smaller but at some points, the first cdf is larger. In this paper,we showthat in such situations of approximate stochastic dominance, we can also conclude that the first alternative is better—provided that the set of points x at which the first cdf is larger is sufficiently small.|
|Appears in Collections:||CMUL: Journal Articles|
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