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Article
Author(s)

Aoki Takaaki

Affiliation(s)

Institute of Economics Research, Kyoto University

ABSTRACT

This article describes some dynamic aspects on dynastic utility incorporating two-sided altruism with an OLG setting. The special case is analyzed where the weights of two-sided altruism are dynamically inconsistent. The Bellman equation for two-sided altruism proves to be reduced to one-sided dynamic problem, but the effective discount factor is different only in the current generation. It is shown that a contraction mapping result of value function cannot be achieved in general, and that there can locally exist an infinite number of self-consistent policy functions of the class  with distinct steady states (indeterminacy of self-consistent, differentiable policy functions).

KEYWORDS

Bellman equation, Two-sided altruism, Dynamic inconsistency, Self-consistent policy functions, Indeterminacy, Overlapping generations model.

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References

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