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Pension, possible phaseout, and endogenous fertility in general equilibrium

Amol Amol, Monisankar Bishnu and Tridip Ray

Journal of Public Economic Theory, 2023, vol. 25, issue 2, 376-406

Abstract: The rich literature on Pay‐As‐You‐Go (PAYG)‐type pensions provides a notion that when pension return is dominated by the market return, generally it is impossible to phase pension out without hurting any generation. We show that PAYG pensions can indeed be phased out in a much richer framework where fertility is endogenous and general equilibrium effects are present. Interestingly, the factor that helps us to phase the pension out in a Pareto way is hidden in the structure of PAYG pension itself. Individualistic agents fail to recognize the benefits of their fertility decision on these programs and, therefore, end up in an allocation that is strictly dominated by the allocations that internalize this externality. Exploiting this positive externality, competitive economy can improve its allocations and can reach the planner's steady‐state in finite time where each generation secures as much utility as in the competitive equilibrium. Clearly, it is possible to transition in a Pareto way to an economy either with no pension or with pensions whose return is not dominated by market return.

Date: 2023
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Handle: RePEc:bla:jpbect:v:25:y:2023:i:2:p:376-406