mixed strategy


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mixed strategy

[¦mikst ′strad·ə·jē]
(mathematics)
A method of playing a matrix game in which the player attaches a probability weight to each of the possible options, the probability weights being nonnegative numbers whose sum is unity, and then operates a chance device that chooses among the options with probabilities equal to the corresponding weights.
(statistics)
A concept in game theory which allows a player more than one choice of action which is determined by a chance mechanism.
References in periodicals archive ?
Thus the tax collector's payoff under the mixed strategy is lower than the payoff under concealed renegotiation.
Some are adopting a mixed strategy, retaining rights to what they see as their most promising products while licensing out niche products to companies with relevant experience.
We compare the subjects' behavior in the experiments with the symmetric mixed strategy Nash equilibrium calculated by Shaked.
A non-cooperative mixed strategy is followed by both entrepreneur and intermediary.
For a strategy to be evolutionarily stable, it must be true that an invasion from any feasible mixed strategy will be unsuccessful with the invading strategy dying out.
This is akin to saying a set of possible strategies may exist which cannot be invaded, but neither the individual strategies nor the mixed strategy represented by the population is evolutionarily stable.
Under otherwise identical conditions, the rationing rule generates either a unique pure strategy equilibrium or a unique mixed strategy equilibrium of the stage game.
There is, however, a mixed strategy solution similar to the one derived by Kreps and Wilson |1982~ (see the appendix).
90] and Molner, [63] have all empirically confirmed that customers' perceived value is a result of the marketing mixed strategy.
In 1994, when the World Cup was played in the United States, again Brazil discarded the aggressive style and chose a mixed strategy where players like Romario and Bebeto caught the eye.
Vice President of Solution Architecture James White will speak at an educational session on the topic of utilizing a mixed strategy approach to IT.
A mixed strategy of international trading, overseas investment and maximising the production of what can be grown domestically is needed to secure future food supplies.