This research examines how the choice architecture of tip options used in screen-based payment collection systems affects consumers’ tipping behavior. Eight lab and field experiments show that consumers choose to avoid a numerical zero tip option (i.e., 0). Replacing the dominant opt-out...

Modern and gig economy businesses collect voluntary contributions (i.e., tips) from consumers via screen-based payment systems (i.e., $1, $2, $3; 10%, 15%, 20%). The use of these systems has been criticized by the popular media for forcing consumers to leave large tips in contexts where they...