American Economic Review Vol. 104 No. 11 2014

A Biological Theory of Social Discounting

Arthur J. Robson¹; Balázs Szentes²

¹ Department of Economics, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia, Canada V5A 1S6 (e-mail: ) · ² Department of Economics, London School of Economics, Houghton Street, London, United Kingdom WC2A 2AE (e-mail: ).

Abstract

We consider a growth model in which intergenerational transfers are made via stocks of private and public capital. Private capital is the outcome of individuals' private savings while decisions regarding public capital are made collectively. We hypothesize that private saving choices evolve through individual selection while public saving decisions are the result of group selection. The main result of the paper is that the equilibrium rate of return to private capital is at least 2–3 percent more than the rate of return to public capital. In other words, social choices involving intertemporal trade-offs exhibit much more patience than individual choices do.

DOI

10.1257/aer.104.11.3481

Volume

104

Issue

11

Pages

3481-3497

Language

en

Sources

openalex bibtex:phds-export.bib crossref

Cite

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