Title: Reference-dependent preferences, time inconsistency, and unfunded pensions
Abstract: In the real world, public pay-as-you-go pension (PAYG) schemes are popular and co-exist with private, retirement-saving schemes. This is true even in dynamically efficient economies where such pensions offer a lower return. The classic Aaron- Samuelson result argues that, in theory, this is impossible. Later work has shown that it may be possible if agents, left on their own, undersave due to myopia or time-inconsistency. In that case, if the government is paternalistic, a welfare rationale for PAYG pensions arises but only if voluntary retirement saving is fully crowded out because of a binding borrowing constraint. This paper generalizes the Aaron- Samuelson discussion to the reference-dependent utility setup of KE oszegi and Rabin (2009) where undersaving happens naturally. No borrowing constraint is imposed. In this case, it is possible to offer a non-paternalistic, welfare rationale for return dominated, PAYG pensions to coexist with private retirement saving.
Publication Year: 2020
Publication Date: 2020-01-01
Language: en
Type: article
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