Accounting for the Heterogeneity in Retirement Wealth

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This paper studies a quantitative dynamic general equilibrium life-cycle model where parents and their children are linked by bequests, both voluntary and accidental, and by the transmission of earnings ability. This model is able to match very well the empirical observation that households with similar lifetime earnings hold very different amounts of wealth at retirement. Earnings heterogeneity and borrowing constraints are essential in generating the variation in wealth at retirement among low lifetime earnings households, while inheritance heterogeneity helps to generate the heterogeneity in wealth at retirement among high lifetime earnings households.