“…Behavioral economic purchase tasks are being developed for e-cigarettes (Cassidy, Tidey, Colby, Long, & Higgins, 2017), which are electronic devices that deliver nicotine-containing aerosol without combustion, and human laboratory methods for evaluating the impact of these products on demand for cigarettes are enjoying a resurgence (Grace, Kivell, & Laugesen, 2015; Quisenberry, Koffarnus, Epstein, & Bickel, 2017). Such behavioral economic assessments have become part of how such products are evaluated by the Food and Drug Administration (Henningfield, Buchhalter, & Fant, 2016; Tidey, Cassidy, Miller, & Smith, 2016), illustrating the increasing relevance of these methods in policy applications.…”