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Rational hyperbolic discounting

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  • Jos'e Cl'audio do Nascimento

Abstract

How much should you receive in a week to be indifferent to \$ 100 in six months? Note that the indifference requires a rule to ensure the similarity between early and late payments. Assuming that rational individuals have low accuracy, then the following rule is valid: if the amounts to be paid are much less than the personal wealth, then the $q$-exponential discounting guarantees indifference in several periods. Thus, the discounting can be interpolated between hyperbolic and exponential functions due to the low accuracy to distinguish time averages when the payments have low impact on personal wealth. Therefore, there are physical conditions that allow the hyperbolic discounting regardless psycho-behavioral assumption.

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  • Jos'e Cl'audio do Nascimento, 2019. "Rational hyperbolic discounting," Papers 1910.05209, arXiv.org, revised Feb 2020.
    • Handle: RePEc:arx:papers:1910.05209
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    References listed on IDEAS

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