Markov-perfect equilibria in intergenerational games with consistent preferences

Markov-perfect equilibria in intergenerational games with consistent preferences

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Article ID: iaor1995683
Country: Netherlands
Volume: 17
Issue: 5/6
Start Page Number: 929
End Page Number: 951
Publication Date: Sep 1993
Journal: Journal of Economic Dynamics and Control
Authors:
Keywords: markov processes, programming: dynamic
Abstract:

This paper considers the subgame-perfect equilibria, in Markov strategies, of an abstract intergenerational game in which the generations’ preferences are consistent in the sense that they admit recursive aggregators. Given biconvergence, it is shown that such equilibria exist and are equivalent both to the solutions of Bellman’s recursive optimality equations and to the optima of the first generation’s utility function. These results are then applied to a simple model casting new light on the neutrality of government debt, and to another accommodating impure altrusim. Finally, two new examples crisply illustrate how the paper’s equivalences fail when biconvergence fails.

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