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 tradeoff between exploration (trying out each arm to find the best one) and exploitation (playing the arm believed to give the best payoff).
KeywordsAsset pricing Bandit problems Branching bandit problem Continuous-Time models Corporate finance Descending price auction Experimentation Free-Rider problem Gittins index th Informational efficiency Learning Liquidity Markov equilibria Matching markets Moral hazard Noise trader Probability distribution Product differentiation Regime switch
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