“…1 We investigate two tax-preferred investment accounts that differ in terms of whether taxes are back-or front-loaded (Yoo and de Serres, 2004). In back-loaded or EET accounts, individuals contribute pre-tax income (exempt, E), their investment returns are tax-exempt in the year in which they are generated (E), and they pay income tax at the 1 Finding the best tax-preferred savings vehicle is a problem that is as relevant as finding the best asset allocation across tax-preferred and taxable accounts (Ameriks and Zeldes, 2004, Bergstresser and Poterba, 2004, Fisher and Gallmeyer, 2017 and the efficiency of the savings instruments they used Amromin (2003). time of withdrawal (taxed, T).…”