“…Although exchanges in Medicare Part D, for example, are considered a success in terms of achieving high enrollment rates (2, 3), recent analysis on plan choice and drug claims shows that the majority of enrollees ignore Medicare's readily available plan recommendations, and choose plans that fail to minimize their expected costs based on current drug needs, health status, and health risks (4,5). Moreover, consumers have been shown not to understand traditional health insurance plans (6). More generally, the populations most likely to be affected by the ACA-the young, less educated, and those with lower incomes-are also more likely to be financially illiterate (7).…”