Trigger Strategy Equilibriums in Stochastic Differential Games with Information Time Lags : An Analysis of Cooperative Production Strategies
In the current literature of differential games, most studies formulate optimal strategies in feedback (Markovian) equilibriums and ignore repeated interactions among players. In many real-world settings, however, the competitors’ action history may have impacts on a firm’s decisions. This paper considers the production strategies for several competing firms in an oligopolistic industry. A firm’s profit is determined by a continuous-time stochastic demand shock process together with the production strategies of all firms in the industry. A firm’s decision is only observable by other firms after an information time lag, induced by the production lead time. We study a history-dependent trigger strategy, whereby firms adopt the cooperative strategy until a firm fails to do so, and thereafter punish the deviating firm by applying the noncooperative equilibrium. We show that, as long as the information time lag is less than a threshold, the trigger strategy is both a Nash equilibrium and a Pareto optimum. We obtain the analytical solutions to the threshold and investigate how the threshold is affected by market growth rate, market volatility, the number of competitors in the industry, and the risk-free rate. Moreover, we investigate the repeated games in a continuous-time setting and provide a tractable approach to derive the trigger-type repeated equilibrium in a Nash–Cournot framework. While the derivation of equilibrium strategies in a stochastic continuous-time setting can be quite challenging, we obtain a solution that is not only analytically simple but also practically applicable
Year of publication: |
2011
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Authors: | Yao, Tao ; Xu, Susan H. ; Jiang, Bin |
Publisher: |
[S.l.] : SSRN |
Saved in:
freely available
Extent: | 1 Online-Ressource (24 p) |
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Type of publication: | Book / Working Paper |
Language: | English |
Notes: | In: SIAM Journal of Control and Optimization, Vol. 49, No. 3, pp. 1197–1220, 2011 Nach Informationen von SSRN wurde die ursprüngliche Fassung des Dokuments November 21, 2011 erstellt |
Source: | ECONIS - Online Catalogue of the ZBW |
Persistent link: https://www.econbiz.de/10014042103
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