Revisiting the optimal population size problem under endogenous growth: minimal utility level and finite lives

Raouf Boucekkine (), Giorgio Fabbri and Fausto Gozzi

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Abstract: In this paper, we devise a social criterion in the spirit of the critical utility level of Blackorby-Donaldson (1984) to study an optimal population size problem in an endogenously growing economy populated by workers living a fixed amount of time and without capital accumulation. Population growth is endogenous. The problem is analytically solved, yielding closed-form solutions to optimal demographic and economic dynamics. It is shown that provided the economy is not driven to optimal finite time extinction, the optimal solution is egalitarian for appropriate choices of the critical utility levels: all individuals of any cohort are given the same consumption. The results obtained do not require any priori restriction of the values of the elasticity of intertemporal substitution unlike in several related papers.

Keywords: Optimal population size; finite life span; critical utility value; optimal extinction; balanced growth paths (search for similar items in EconPapers)
Date: 2011-06-08
New Economics Papers: this item is included in nep-age, nep-dge, nep-fdg and nep-pbe
Note: View the original document on HAL open archive server: https://shs.hal.science/halshs-00599084
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Journal Article: Revisiting the Optimal Population Size Problem under Endogenous Growth: Minimal Utility Level and Finite Life (2011)
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