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α: calibrated so average coauthorship-adjusted count equals average raw count
Abstract This paper explains, first, that, since households disregard the impact in the aggregate of their fertility and education choices on the return to their own savings, the market does not implement the mix of population and skills that a planner internalizing all externalities from fertility and education would choose. It then shows that for an economy without capital over-accumulation—the empirically relevant case, cf. Abel et al. (Rev Econ Stud 56(1):1–19, 1989)—a market supplying efficiency units of labor beyond the planner’s level does so by leading households to go for quality over quantity in their reproductive choices—over-investing in education and depressing fertility with respect to the planner’s levels—a feature reminiscent of reproductive patterns in developed economies. It is finally shown that a pension scheme contingent to the household’s fertility and education investment decentralizes the planner’s allocation as an equilibrium outcome. Such pension scheme is financed through a tax on the increase in labor income that results from households education investment. Interestingly enough, the usual tax-financed compulsory education does not decentralize the planner’s allocation, even when the mandatory level of education is the planner’s, since it does not address the misalignment of incentives at the heart of the problem.