We survey the literature on multi-armed bandit models and their applications in economics. The multi-armed bandit problem is a statistical decision model of an agent trying to optimize his decisions while improving his information at the same time. This classic problem has received much attention in economics as it concisely models the trade-off between exploration (trying out each arm to find the best one) and exploitation (playing the arm believed to give the best payoff).
|Date of creation:||Jan 2006|
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|Publication status:||Published in Steven N. Durlauf and Lawrence E. Blume, The New Palgrave Dictionary of Economics, Vol. 1, 2nd ed., Macmillan Press, 2008, pp. 336-340|
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