Implicit taxes in Social Security, which measure Social Security contributions net of benefits accrued as a percentage of earnings, tend to increase over the life cycle. In this paper, we examine the effects of three potential policy changes on implicit Social Security tax rates: extending the...

"The NBER Bulletin on Aging and Health provides summaries of publications like this. You can sign up to receive the NBER Bulletin on Aging and Health by email. This paper examines the effect of incorporating individual-level heterogeneity into default rules for retirement plan selection. We use...