Cross-Dynastic Intergenerational Altruism

50 Pages Posted: 22 Mar 2022

See all articles by Frikk Nesje

Frikk Nesje

University of Copenhagen - Department of Economics

Date Written: 2022

Abstract

I study whether saving behavior reveals socially relevant intertemporal preferences. To this end, I decompose the present generation’s preference for the next into its dynastic and cross-dynastic components in a model of saving. If people are concerned about the next generation as such, then they might assign welfare weights on other dynasties. With such cross-dynastic intergenerational altruism, saving for one’s descendants benefits present members of other dynasties. These preference externalities imply that socially relevant intertemporal preferences cannot be inferred from saving behavior. Numerically, I show that even \small" preferences for the next generation as such can lower the efficient discount rate by 20% to 40%, as compared to Nordhaus’ calibration.

Keywords: intergenerational altruism, social discounting, time-inconsistency, declining discount rates, generalized consumption Euler equations, interdependent utility, isolation paradox

JEL Classification: D640, D710, H430, Q010, Q540

Suggested Citation

Nesje, Frikk, Cross-Dynastic Intergenerational Altruism (2022). CESifo Working Paper No. 9626, Available at SSRN: https://ssrn.com/abstract=4060521 or http://dx.doi.org/10.2139/ssrn.4060521

Frikk Nesje (Contact Author)

University of Copenhagen - Department of Economics ( email )

Øster Farimagsgade 5, Bygn 26
Copenhagen, 1353
Denmark

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