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dynamic_games_with_asymmetric_information-equilibrium_concept_and_sequential_decomposition [2016/09/01 19:15] (current)
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 +Dynamic Games with Asymmetric Information-Equilibrium Concept and Sequential Decomposition
 +Yi Ouyang
 +Department of Electrical Engineering, ​
 +University of Southern California
 +Motivated by electronic commerce platforms and communication networks, we formulate and analyze a general class of dynamic games with asymmetric information. In such games, multiple strategic agents control the system dynamics and have different information about the system over time. Because of the presence of asymmetric information,​ each agent needs to form beliefs about other agents’ private information. Therefore, the specification of the agents’ beliefs along with their strategies is necessary to study the dynamic game. We use Perfect Bayesian equilibrium (PBE) as our solution concept. A PBE consists of a pair of strategy profile and belief system. In a PBE, every agent’s strategy should be a best response under the belief system, and the belief system depends on agents’ strategy profile when there is signaling among agents. Therefore, the circular dependence between strategy profile and belief system makes it difficult to compute PBE. Using the common information among agents, we introduce a subclass of PBE called common information based perfect Bayesian equilibria (CIB-PBE), and provide a sequential decomposition of the dynamic game. Such decomposition leads to a backward induction algorithm to compute CIB-PBE.
dynamic_games_with_asymmetric_information-equilibrium_concept_and_sequential_decomposition.txt · Last modified: 2016/09/01 19:15 (external edit)