“…3 While the panel is unbalanced, it is representative of the population of taxpayers within each year from 2003 to 2020, and individuals can enter the panel by immigration, birth, or receiving a tax form, and they can exit the panel by emigration, death, or failing to receive a tax form. These base data have been used in several prior papers (Mortenson, Schramm, and Whitten, 2019;Goodman, et al, 2021;Larrimore, Mortenson, and Splinter, 2022).…”