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Dynamic oligopoly with sticky prices: closed-loop, feedback, and open-loop solutions. (English) Zbl 1070.91006

Summary: We investigate a dynamic oligopoly game with price adjustments. We show that the subgame perfect equilibria are characterized by larger output and lower price levels than the open-loop solution. The individual (and industry) output at the closed-loop equilibrium is larger than its counterpart at the feedback equilibrium. Therefore, firms prefer the open-loop equilibrium to the feedback equilibrium, and the latter to the closed-loop equilibrium. The opposite applies to consumers.

MSC:

91A23 Differential games (aspects of game theory)
49N70 Differential games and control
91B24 Microeconomic theory (price theory and economic markets)
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