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Cordoba,JC(Cordoba, Juan Carlos);Liu, XY (刘熙莹):Malthusian stagnation is efficient《马尔萨斯经济停滞是有效的》
时间:2022-10-24    点击数:

Abstract:This article studies socially optimal allocations, from the point of view of a benevolent social planner, in environments characterized by fixed resources, endogenous fertility, and full information. Individuals in our environment are fully rational and altruistic toward their descendants. Our model allows for rich heterogeneity of abilities, preferences for children, and costs of raising children. We show that the planner's optimal allocations are efficient in the sense of Golosov et al. (2007). We also show that efficient allocation in the endogenous fertility case differs significantly from its exogenous fertility counterpart. In particular, optimal steady state population is proportional to the amount of fixed resources and the level of technology, while steady state individual consumption is independent of these variables, a sort of “Malthusian stagnation” result. Furthermore, optimal allocations exhibit inequality, differential fertility, random consumption, and a higher population density of poorer individuals even when the planner is fully equalitarian and faces no aggregate risk or frictions.

Keywords:P‐efficient; A‐efficient; efficient population; endogenous fertility; stochastic abilities; inequalityD04; D10; D63; D64; D80; D91; E10; E60; I30; J13; N00; O11; O40; Q01

该文在2022年1月正式发布于《Theoretical Economices》。该期刊为betway唯一官方网站A类期刊。

论文链接:https://doi.org/10.3982/TE3542