How taxes impact the choice between an annuity and the lump sum at retirement

Abstract We analyze how taxes affect the choice between a life-long annuity and a one-off lump sum payment, the so-called annuitization decision. Using administrative data from a large Swiss pension fund, we impute taxes for the lump sum and the life-long annuity option. We show that taxes can explain a significant part of the variation in annuity rates. Exploiting kinks in the tax schedule of the one-off lump sum, we further find evidence for tax optimization strategies. Our findings suggest that individuals react strongly to tax incentives when making retirement choices.