“…8 A substantial strand of the literature has studied whether individuals save optimally through tax-preferred vehicles (Burman et al, 2001, Gomes et al, 2009, Zhou, 2012, Burman et al, 2001, Dammon et al, 2004, Shoven and Sialm, 2004, Huang, 2008, Brown et al, 2017 For example, Clark et al (2017) find that workers with higher levels of financial literacy achieve higher annual returns on their 401(k) accounts, whereas Lusardi et al (2017) show that these differences can be generated endogenously through the accumulation of financial knowledge.…”