Which of the following is not a strictly rational reason for someone to be interested in a commitment device?
a. The device can eliminate the time-inconsistency problem.
b. By making the decision to restrict choices now, the person saves future effort in deciding among more, but undesirable, choices.
c. Restricting choice now eliminates the possibility of considering other, potentially better choices that can’t be foreseen right now.
d. The device helps the person make the choice that she wants to make right now, but might not make in the future.